Sri Lanka
Here is a list of rivers & waterways in OpenStreetMap in Sri Lanka. The boundaries of Sri Lanka are taken from Natural Earth dataset.
Any waterway which touches this region is included, even if it's mostly outside this region. The length is the total length of the river, not the length in this region. Only rivers longer than 1 km are shown.
Rivers
There are 2,606 rivers here (Only the longest 1,387 rivers are shown).
- Mahaweli (262 km)
- Deduru Oya (144 km)
- Kumbukkan Oya (117 km)
- Malwathu Oya (115 km)
- Kelani Ganga (107 km)
- Kaluganga (102 km)
- Menik Ganga (101 km)
- Ma Oya (86 km)
- an unnamed river (81 km)
- Maduru Oya (76 km)
- Kanagarayan Aru (67 km)
- Yan Oya (63 km)
- Mee Oya (62 km)
- Thiruppu Moddai River (62 km)
- an unnamed river (61 km)
- Krindi Oya (60 km)
- Kala Oya (58 km)
- Walawe Ganga (58 km)
- Wila Oya (56 km)
- an unnamed river (54 km)
- an unnamed river (52 km)
- an unnamed river (51 km)
- Uma Oya (49 km)
- Galoya (49 km)
- an unnamed river (48 km)
- Amban Ganga (48 km)
- an unnamed river (47 km)
- Gal Oya (47 km)
- Modaragam Aru (46 km)
- an unnamed river (46 km)
- Nilwala Ganga (45 km)
- Wey Ganga (43 km)
- Kuru Ganga (42 km)
- an unnamed river (42 km)
- an unnamed river (41 km)
- Bentota (40 km)
- Karanda Oya (40 km)
- Rakawana Ganga (39 km)
- Kuda Gaga (39 km)
- Hangamu Gaga (38 km)
- an unnamed river (38 km)
- Ma Oya (38 km)
- Badulu Oya (37 km)
- an unnamed river (37 km)
- Delawala Oya (36 km)
- Delgoda River (34 km)
- an unnamed river (34 km)
- an unnamed river (33 km)
- Loggal Oya (32 km)
- Thelgamu oya (32 km)
- an unnamed river (32 km)
- Kala Oya (32 km)
- an unnamed river (31 km)
- an unnamed river (31 km)
- Minipe Yoda Ela (31 km)
- an unnamed river (31 km)
- an unnamed river (31 km)
- an unnamed river (30 km)
- Uruboku Oya (30 km)
- Krindi Oya (29 km)
- Paali Aaru (29 km)
- Heen Ganga (28 km)
- an unnamed river (28 km)
- an unnamed river (27 km)
- an unnamed river (27 km)
- Kirindi Oya (27 km)
- an unnamed river (26 km)
- Pankulam Aru (26 km)
- an unnamed river (26 km)
- Rambaken Oya (26 km)
- Heda oya river (26 km)
- an unnamed river (26 km)
- Belihul Oya (26 km)
- Hakwatuna Oya (26 km)
- Polwatta Ganga (26 km)
- Dooviligal Oya (26 km)
- Kurundi Ara (25 km)
- Walawe River (25 km)
- an unnamed river (25 km)
- Hulu Ganga (25 km)
- Ulhiti Oaya (25 km)
- an unnamed river (25 km)
- an unnamed river (24 km)
- Kelani River (24 km)
- an unnamed river (24 km)
- Vee oya (24 km)
- Ritigaha Oya (24 km)
- an unnamed river (23 km)
- Kal Aru (22 km)
- an unnamed river (22 km)
- Ma Oya (22 km)
- an unnamed river (22 km)
- Maguru Oya (22 km)
- Ulhiti Oya (22 km)
- an unnamed river (21 km)
- Kuda Oya (21 km)
- Peraru (21 km)
- an unnamed river (21 km)
- Malala Oya (21 km)
- an unnamed river (21 km)
- an unnamed river (21 km)
- Hassalaka Oya (21 km)
- an unnamed river (20 km)
- an unnamed river (20 km)
- an unnamed river (20 km)
- Kanagarayan Aaru (20 km)
- an unnamed river (20 km)
- an unnamed river (20 km)
- an unnamed river (20 km)
- Kuda Oya (20 km)
- an unnamed river (20 km)
- Pan Ela (20 km)
- Maguru Ganga (20 km)
- an unnamed river (19 km)
- an unnamed river (19 km)
- Mawak Oya (19 km)
- Nanu Oya (19 km)
- an unnamed river (19 km)
- Amban Ganga (19 km)
- Halgran Oya (19 km)
- Heda Oya (19 km)
- Kurupan Oya (19 km)
- an unnamed river (18 km)
- Pussweli Oya (18 km)
- an unnamed river (18 km)
- an unnamed river (18 km)
- an unnamed river (18 km)
- an unnamed river (18 km)
- an unnamed river (18 km)
- an unnamed river (18 km)
- an unnamed river (18 km)
- Nalanda oya (17 km)
- an unnamed river (17 km)
- an unnamed river (17 km)
- Akkaraayan River (17 km)
- Atabage Oya (17 km)
- an unnamed river (17 km)
- an unnamed river (17 km)
- an unnamed river (17 km)
- Lunu Ela (17 km)
- Mee Oya மீ ஆறு (17 km)
- Mandaikallaru (16 km)
- Amban Gaga (16 km)
- an unnamed river (16 km)
- an unnamed river (16 km)
- Lankiya Oya (16 km)
- Dadugan Oya (16 km)
- an unnamed river (16 km)
- an unnamed river (16 km)
- an unnamed river (16 km)
- an unnamed river (16 km)
- Kotmale Oya (16 km)
- an unnamed river (15 km)
- Kadiyallena Oya (15 km)
- Wakoya (15 km)
- an unnamed river (15 km)
- Kukule (15 km)
- an unnamed river (15 km)
- Dambulu oya (15 km)
- an unnamed river (15 km)
- Rambukkana oya (15 km)
- Maha Oya (15 km)
- an unnamed river (15 km)
- an unnamed river (15 km)
- an unnamed river (14 km)
- Churiyan Aru (14 km)
- Periyaaru (14 km)
- an unnamed river (14 km)
- an unnamed river (14 km)
- Koskulana Ganga (14 km)
- an unnamed river (14 km)
- an unnamed river (14 km)
- Gomalu Oya (14 km)
- an unnamed river (14 km)
- Mul Oya (14 km)
- an unnamed river (13 km)
- an unnamed river (13 km)
- Alakola Ara (13 km)
- an unnamed river (13 km)
- Neththali Aaru (13 km)
- an unnamed river (13 km)
- an unnamed river (13 km)
- an unnamed river (13 km)
- Dadugan Oya (13 km)
- an unnamed river (13 km)
- an unnamed river (13 km)
- Kuda Oya (13 km)
- an unnamed river (13 km)
- an unnamed river (13 km)
- Agara Oya (13 km)
- an unnamed river (13 km)
- an unnamed river (13 km)
- an unnamed river (13 km)
- an unnamed river (13 km)
- an unnamed river (13 km)
- Attanagalu Oya (13 km)
- Chalampan Kulam Aaru (13 km)
- Thenniyankulam River (13 km)
- an unnamed river (13 km)
- Walawe River (13 km)
- an unnamed river (12 km)
- an unnamed river (12 km)
- an unnamed river (12 km)
- an unnamed river (12 km)
- an unnamed river (12 km)
- an unnamed river (12 km)
- an unnamed river (12 km)
- Ellethotakanda Oya (12 km)
- Mirisgoni Oya (12 km)
- an unnamed river (12 km)
- an unnamed river (12 km)
- an unnamed river (12 km)
- Kumbukkan Oya Branch (12 km)
- Gin Oya (12 km)
- an unnamed river (12 km)
- Dahamala Oya (12 km)
- an unnamed river (12 km)
- Dambagasthalawa Oya (12 km)
- an unnamed river (12 km)
- an unnamed river (11 km)
- an unnamed river (11 km)
- an unnamed river (11 km)
- an unnamed river (11 km)
- an unnamed river (11 km)
- an unnamed river (11 km)
- Bagura Oya (11 km)
- Kurundu Oya (11 km)
- an unnamed river (11 km)
- Maha oya (11 km)
- an unnamed river (11 km)
- Ellawala Oya (11 km)
- Siththaru (11 km)
- an unnamed river (11 km)
- an unnamed river (11 km)
- an unnamed river (11 km)
- an unnamed river (11 km)
- an unnamed river (11 km)
- an unnamed river (11 km)
- Rakawana Ganga (11 km)
- an unnamed river (11 km)
- an unnamed river (11 km)
- an unnamed river (10 km)
- an unnamed river (10 km)
- Seethawaka River (10 km)
- Nillamba Oya (10 km)
- an unnamed river (10 km)
- an unnamed river (10 km)
- an unnamed river (10 km)
- Hirikatu Oya (10 km)
- Rathmbala oya (10 km)
- Panmedilla Oya (10 km)
- an unnamed river (10 km)
- Darage Ara (10 km)
- an unnamed river (10 km)
- an unnamed river (10 km)
- an unnamed river (10 km)
- an unnamed river (10 km)
- an unnamed river (9 km)
- an unnamed river (9 km)
- an unnamed river (9 km)
- an unnamed river (9 km)
- an unnamed river (9 km)
- an unnamed river (9 km)
- an unnamed river (9 km)
- Pallan Oya (9 km)
- an unnamed river (9 km)
- an unnamed river (9 km)
- Helawa Ara (9 km)
- Agara Oya (9 km)
- an unnamed river (9 km)
- an unnamed river (9 km)
- மணலாறு Manalaaru (9 km)
- an unnamed river (9 km)
- an unnamed river (9 km)
- an unnamed river (9 km)
- Valukki Aaru River (9 km)
- Kandepuhulpola Stream (9 km)
- Parangi Aru (9 km)
- an unnamed river (9 km)
- an unnamed river (9 km)
- an unnamed river (9 km)
- an unnamed river (9 km)
- an unnamed river (9 km)
- Gonnawa Ela (9 km)
- an unnamed river (9 km)
- an unnamed river (9 km)
- Mathetilla Oya (8 km)
- an unnamed river (8 km)
- Galaha Oya (8 km)
- Hamannawa Oya (8 km)
- an unnamed river (8 km)
- an unnamed river (8 km)
- an unnamed river (8 km)
- an unnamed river (8 km)
- an unnamed river (8 km)
- an unnamed river (8 km)
- an unnamed river (8 km)
- an unnamed river (8 km)
- an unnamed river (8 km)
- an unnamed river (8 km)
- an unnamed river (8 km)
- an unnamed river (8 km)
- an unnamed river (8 km)
- Hangunne Ara (8 km)
- an unnamed river (8 km)
- Dick Oya (8 km)
- an unnamed river (8 km)
- an unnamed river (8 km)
- an unnamed river (8 km)
- an unnamed river (8 km)
- an unnamed river (8 km)
- an unnamed river (8 km)
- Uruval Oya (8 km)
- an unnamed river (8 km)
- an unnamed river (8 km)
- an unnamed river (8 km)
- an unnamed river (8 km)
- an unnamed river (8 km)
- an unnamed river (8 km)
- Gal Aaru கல்லாறு (8 km)
- an unnamed river (8 km)
- Udanga Aru (8 km)
- Kukul Oya (7 km)
- Chavar Aaru (7 km)
- an unnamed river (7 km)
- Bolthube (7 km)
- an unnamed river (7 km)
- an unnamed river (7 km)
- an unnamed river (7 km)
- an unnamed river (7 km)
- an unnamed river (7 km)
- an unnamed river (7 km)
- Ulhiti Oya (7 km)
- an unnamed river (7 km)
- Kepu Ela (7 km)
- an unnamed river (7 km)
- an unnamed river (7 km)
- an unnamed river (7 km)
- an unnamed river (7 km)
- an unnamed river (7 km)
- an unnamed river (7 km)
- an unnamed river (7 km)
- Valliyaru (7 km)
- an unnamed river (7 km)
- Kota Ganga (7 km)
- an unnamed river (7 km)
- an unnamed river (7 km)
- an unnamed river (7 km)
- Periya Aaru (7 km)
- Madiyodai Aaru (7 km)
- an unnamed river (7 km)
- Kaballebokke Oya (7 km)
- an unnamed river (7 km)
- an unnamed river (7 km)
- Munthanai Aaru (7 km)
- an unnamed river (7 km)
- Paddamutti Aru (7 km)
- an unnamed river (7 km)
- Natha Ela (7 km)
- an unnamed river (7 km)
- an unnamed river (7 km)
- an unnamed river (7 km)
- an unnamed river (7 km)
- an unnamed river (7 km)
- Moragahawela Kandura (7 km)
- an unnamed river (7 km)
- an unnamed river (7 km)
- Thimbolketiya Ganga (7 km)
- an unnamed river (7 km)
- an unnamed river (7 km)
- an unnamed river (6 km)
- an unnamed river (6 km)
- an unnamed river (6 km)
- Feeder Canal (6 km)
- an unnamed river (6 km)
- an unnamed river (6 km)
- Uma Oya (6 km)
- an unnamed river (6 km)
- an unnamed river (6 km)
- an unnamed river (6 km)
- an unnamed river (6 km)
- an unnamed river (6 km)
- an unnamed river (6 km)
- an unnamed river (6 km)
- Dhivulana River (6 km)
- an unnamed river (6 km)
- an unnamed river (6 km)
- an unnamed river (6 km)
- an unnamed river (6 km)
- an unnamed river (6 km)
- an unnamed river (6 km)
- an unnamed river (6 km)
- an unnamed river (6 km)
- an unnamed river (6 km)
- an unnamed river (6 km)
- Therankandal Aaru (6 km)
- an unnamed river (6 km)
- an unnamed river (6 km)
- an unnamed river (6 km)
- an unnamed river (6 km)
- an unnamed river (6 km)
- an unnamed river (6 km)
- Damba Oya (6 km)
- an unnamed river (6 km)
- an unnamed river (6 km)
- an unnamed river (6 km)
- an unnamed river (6 km)
- an unnamed river (6 km)
- an unnamed river (6 km)
- an unnamed river (6 km)
- an unnamed river (6 km)
- Kurulu Oya (6 km)
- an unnamed river (6 km)
- Deel-el Oya (6 km)
- an unnamed river (6 km)
- an unnamed river (6 km)
- an unnamed river (6 km)
- an unnamed river (6 km)
- an unnamed river (6 km)
- an unnamed river (6 km)
- Pali Aru (6 km)
- an unnamed river (6 km)
- an unnamed river (6 km)
- an unnamed river (6 km)
- an unnamed river (6 km)
- an unnamed river (6 km)
- an unnamed river (6 km)
- an unnamed river (5 km)
- an unnamed river (5 km)
- an unnamed river (5 km)
- Mahaweli Ganga (5 km)
- an unnamed river (5 km)
- Pundalu Oya (5 km)
- an unnamed river (5 km)
- Palandappa Odai (5 km)
- an unnamed river (5 km)
- an unnamed river (5 km)
- an unnamed river (5 km)
- an unnamed river (5 km)
- an unnamed river (5 km)
- an unnamed river (5 km)
- Dankanda Oya (5 km)
- an unnamed river (5 km)
- an unnamed river (5 km)
- Kalikojil Aaru (5 km)
- an unnamed river (5 km)
- an unnamed river (5 km)
- an unnamed river (5 km)
- an unnamed river (5 km)
- an unnamed river (5 km)
- an unnamed river (5 km)
- an unnamed river (5 km)
- Uma Oya (5 km)
- an unnamed river (5 km)
- an unnamed river (5 km)
- an unnamed river (5 km)
- an unnamed river (5 km)
- an unnamed river (5 km)
- an unnamed river (5 km)
- an unnamed river (5 km)
- Seetha gangula (5 km)
- an unnamed river (5 km)
- an unnamed river (5 km)
- an unnamed river (5 km)
- an unnamed river (5 km)
- an unnamed river (5 km)
- an unnamed river (5 km)
- an unnamed river (5 km)
- Nanu oya (5 km)
- an unnamed river (5 km)
- an unnamed river (5 km)
- an unnamed river (5 km)
- Kohana Oya (5 km)
- an unnamed river (5 km)
- an unnamed river (5 km)
- an unnamed river (5 km)
- an unnamed river (5 km)
- an unnamed river (5 km)
- an unnamed river (5 km)
- Kuda Oya (5 km)
- Attanagalu Oya (5 km)
- an unnamed river (5 km)
- an unnamed river (5 km)
- Peraru River (5 km)
- an unnamed river (5 km)
- Nanu Oya (5 km)
- an unnamed river (5 km)
- an unnamed river (5 km)
- an unnamed river (5 km)
- an unnamed river (5 km)
- an unnamed river (5 km)
- an unnamed river (5 km)
- an unnamed river (5 km)
- an unnamed river (5 km)
- Kuda oya (5 km)
- an unnamed river (5 km)
- Namal Oya (5 km)
- Gurugoda Ela (5 km)
- an unnamed river (5 km)
- an unnamed river (5 km)
- an unnamed river (5 km)
- an unnamed river (5 km)
- an unnamed river (5 km)
- Hulu ganga (5 km)
- an unnamed river (5 km)
- Gurugoda Oya (4 km)
- an unnamed river (4 km)
- an unnamed river (4 km)
- an unnamed river (4 km)
- an unnamed river (4 km)
- an unnamed river (4 km)
- Thambalane Oya (4 km)
- an unnamed river (4 km)
- an unnamed river (4 km)
- an unnamed river (4 km)
- an unnamed river (4 km)
- an unnamed river (4 km)
- an unnamed river (4 km)
- an unnamed river (4 km)
- an unnamed river (4 km)
- Karadagal River (4 km)
- an unnamed river (4 km)
- an unnamed river (4 km)
- an unnamed river (4 km)
- an unnamed river (4 km)
- an unnamed river (4 km)
- an unnamed river (4 km)
- an unnamed river (4 km)
- an unnamed river (4 km)
- an unnamed river (4 km)
- Gurugoda Oya (4 km)
- Paranki Aaru (4 km)
- an unnamed river (4 km)
- an unnamed river (4 km)
- Abungaga Branch (4 km)
- LB1 (4 km)
- an unnamed river (4 km)
- an unnamed river (4 km)
- an unnamed river (4 km)
- an unnamed river (4 km)
- an unnamed river (4 km)
- an unnamed river (4 km)
- an unnamed river (4 km)
- Gettuwan Ela (4 km)
- an unnamed river (4 km)
- an unnamed river (4 km)
- an unnamed river (4 km)
- an unnamed river (4 km)
- an unnamed river (4 km)
- an unnamed river (4 km)
- an unnamed river (4 km)
- an unnamed river (4 km)
- an unnamed river (4 km)
- Kuttian Aru (4 km)
- Loggalla oya (4 km)
- an unnamed river (4 km)
- Stream_ (4 km)
- an unnamed river (4 km)
- an unnamed river (4 km)
- an unnamed river (4 km)
- Booya (4 km)
- an unnamed river (4 km)
- an unnamed river (4 km)
- an unnamed river (4 km)
- an unnamed river (4 km)
- an unnamed river (4 km)
- an unnamed river (4 km)
- an unnamed river (4 km)
- an unnamed river (4 km)
- Haloluwa Ela (4 km)
- an unnamed river (4 km)
- an unnamed river (4 km)
- an unnamed river (4 km)
- an unnamed river (4 km)
- Chippi Aaru (4 km)
- Kanagarayan Aaru (4 km)
- an unnamed river (4 km)
- an unnamed river (4 km)
- an unnamed river (4 km)
- an unnamed river (4 km)
- an unnamed river (4 km)
- an unnamed river (4 km)
- an unnamed river (4 km)
- an unnamed river (4 km)
- an unnamed river (4 km)
- Kunukola Ara (4 km)
- an unnamed river (4 km)
- an unnamed river (4 km)
- Kalupathagaha Kandura (4 km)
- an unnamed river (4 km)
- Girikula Ara (4 km)
- an unnamed river (4 km)
- an unnamed river (4 km)
- an unnamed river (4 km)
- an unnamed river (4 km)
- an unnamed river (4 km)
- Diwithura Ela (4 km)
- an unnamed river (4 km)
- an unnamed river (4 km)
- an unnamed river (4 km)
- Gin Ganga (4 km)
- an unnamed river (4 km)
- an unnamed river (4 km)
- an unnamed river (4 km)
- an unnamed river (4 km)
- Kuda Oya (4 km)
- an unnamed river (4 km)
- an unnamed river (4 km)
- an unnamed river (4 km)
- an unnamed river (4 km)
- Pallaru (4 km)
- Hene gedara ela (Kundavila Ela) (4 km)
- an unnamed river (4 km)
- an unnamed river (4 km)
- an unnamed river (4 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- Dik Oya (3 km)
- an unnamed river (3 km)
- Thammanna Ela (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- Gin Ganga (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- Walahatenna Kandura (3 km)
- Kedetta Kandura (3 km)
- unknown (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- Weras Ganga (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- Pundalu Oya (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- Nillamba Oya (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- Meda Ela (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- Kuda Oya (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- memure oya (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- Kuruvichchai Aru (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- Pinga Oya (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- Agra Oya (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- Feeder Canal (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- Pahariya Spill Tail Canal (3 km)
- Pinga Oya (පිඟා ඔය) (3 km)
- an unnamed river (3 km)
- Waralvita Oya (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- Rideevita Dola (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- maha-ela (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- Ptakele Ganga (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- Kurupan Ara (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- Katupila Ara (3 km)
- Divithura Ela (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- Pansal Oya (3 km)
- Gallanda Oya (3 km)
- an unnamed river (3 km)
- Gurugoga Oya (3 km)
- Paali Aaru (3 km)
- Uyangalla Channel (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- Puthukaddukulam Aaru (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- Dee Elle oya (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- Tambara Ara (3 km)
- an unnamed river (3 km)
- river (3 km)
- Pallaru (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- Mee Aaru மீ ஆறு (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- Galoya (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- Pahala Puliyankulama Spill Way (3 km)
- an unnamed river (3 km)
- an unnamed river (3 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- Kiriwehera Ara (2 km)
- Meemure Oya (2 km)
- Imbilan Ara (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- Pahalaandara Wewa (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- Maha Ottupallama Wewa Spill Tail Canal (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- Dorawela Ela (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- Boo Ela (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- Kabbe Oya (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- Hulanda oya (2 km)
- Kotigal Kandura (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- Nanu Oya (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- Meda Ela (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- Ibbige Ara (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- Stream (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- Rambare Ela (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- Bambara Kandura (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- Attanagalu Oya (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- Thibutu Ara (2 km)
- an unnamed river (2 km)
- Ellapahala (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- Berawa Ela (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- Moragoda Ela (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- Pussali oya (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- Bubula Oya (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- Gartmore Creek (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- uma oya (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- Nochchimoddai Stream (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- Gonamala Ara (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- Diya Honda Ela (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- Battadala Kandura (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- uma oya (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- Kachchakkodi Aaru (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- channel 2+575 (2 km)
- an unnamed river (2 km)
- Garadnuwa Ela (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (2 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- Radapola Oya (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- Kudawa Ganga Tributary (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- Pundaloya river (Sub Catchment area) (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- Galwak Ella (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- Stream (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- Vahuriyanthalawa River (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- Meegala Kandura (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- mee oya (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- Pahariya Spill Tail Canal (1 km)
- Athuruwella (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- Stream 12 (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- Kumana Wewa Ara (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- Kalikojil Aaru (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- water way of elecrticity (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- Pobe ela (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- Kanniponniyan Aaru கன்னிபொன்னியன் ஆறு (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- 8thcanal road (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- Maguru Oya (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- Kehella Kandura (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- Well (1 km)
- an unnamed river (1 km)
- Gin Ganga (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- Perawaththa Oya (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- Yoda Ala (1 km)
- an unnamed river (1 km)
- Bandu Wewa Ara (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- an unnamed river (1 km)
- Yodha Wewa - DC (1 km)
- an unnamed river (1 km)
- Delivala oya (1 km)
Sub-regions
25 subregions
The list of, and boundaries of, these subdivisions are taken from Natural Earth dataset.
- Ampāra 36 waterways, including: Mahaweli , Kumbukkan Oya , Maduru Oya , Wila Oya
- Anurādhapura 12 waterways, including: Malwathu Oya , Yan Oya , Kala Oya , Modaragam Aru
- Badulla 23 waterways, including: Mahaweli , Kumbukkan Oya , Uma Oya
- Gālla 10 waterways, including: Bentota , Polwatta Ganga
- Gampaha 16 waterways, including: Kelani Ganga , Ma Oya , Dadugan Oya , Wakoya , Dadugan Oya
- Hambantŏṭa 15 waterways, including: Kumbukkan Oya , Menik Ganga , Krindi Oya , Walawe Ganga , Uruboku Oya
- Kægalla 15 waterways, including: Kelani Ganga , Ma Oya , Kelani River , Vee oya
- Kaḷutara 11 waterways, including: Kaluganga , Bentota , Kuda Gaga
- Kilinŏchchi 6 waterways, including: Kanagarayan Aaru , Akkaraayan River , Mandaikallaru , Neththali Aaru , Thenniyankulam River
- Kŏḷamba 7 waterways, including: Kelani Ganga , Mawak Oya , Pussweli Oya , Wakoya
- Kuruṇægala 16 waterways, including: Deduru Oya , Ma Oya , Kala Oya , Kala Oya
- Maḍakalapuva 7 waterways, including: Maduru Oya
- Mahanuvara 30 waterways, including: Mahaweli , Deduru Oya , Uma Oya
- Mannārama 8 waterways, including: Malwathu Oya , Thiruppu Moddai River , Modaragam Aru , Paali Aaru
- Mātale 14 waterways, including: Mahaweli , Amban Ganga , Thelgamu oya
- Mātara 5 waterways, including: Nilwala Ganga , Polwatta Ganga
- Mŏṇarāgala 48 waterways, including: Kumbukkan Oya , Menik Ganga , Krindi Oya , Walawe Ganga
- Mulativ 21 waterways, including: Kanagarayan Aru , Thiruppu Moddai River , Ma Oya , Paali Aaru , Peraru
- Nuvara Ĕliya 25 waterways, including: Mahaweli , Kelani Ganga , Uma Oya , Belihul Oya
- Pŏḷŏnnaruva 4 waterways, including: Mahaweli , Maduru Oya , Amban Ganga
- Puttalama 13 waterways, including: Deduru Oya , Ma Oya , Mee Oya , Kala Oya , Modaragam Aru
- Ratnapura 24 waterways, including: Kaluganga , Walawe Ganga , Wey Ganga
- Trikuṇāmalaya 9 waterways, including: Mahaweli , Yan Oya , Ma Oya
- Vavuniyāva 10 waterways, including: Malwathu Oya , Kanagarayan Aru , Thiruppu Moddai River , Ma Oya , Kal Aru
- Yāpanaya 1 waterway, including: Valukki Aaru River