Arun River

Based on OpenStreetMap data, Arun River is 488 km long. It was last changed in OSM on Thu, 03 Sep 2026 09:05

Arun River flows through 2 countries:

China, flowing through the subregions of Xizang
Nepal, flowing through the subregions of Bhojpur, Sagarmatha

Map

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This is also known as 朋曲, for 125 km (26% total), अरुण नदी, for 121 km (25% total), བུམ་ཆུ 朋曲, for 73 km (15% total), བུམ་ཆུ་ (朋曲), for 72 km (15% total), བུམ་ཆུ་ 朋曲, for 49 km (11% total), 澍曲 अरुण नदी, for 29 km (7% total), अरुण नदी - 朋曲, for 2 km (1% total). In other languages Arun River is known as:

Chinese: 朋曲 , 阿龙河
English: Arun River , Bum Chu
Nepali: अरुण नदी
Russian: Пум-Чу
Simplified Chinese: 朋曲
Tibetan: བུམ་ཆུ
Traditional Chinese: 朋曲 , 阿龍河

The follow Wikipedia articles are about it: Arun River, China-Nepal, Arun (Koshi).

On Wikidata it's Q1111197 , .

Distributaries & Outflows

It has 4 side channels. (TODO fill in side channels)

Arun River flows into Sun Kosi , which it joins at the following points: 7,652 km of total upstream flows in at N 26° 55′ 25″, E 87° 7′ 8″ at OSM node n3030568785 13,788 km of total upstream flows in at N 26° 54′ 56″, E 87° 9′ 21″ at OSM node n3214699066

Tributaries & Inflows

Arun River has 120 tributaries .

གཡས་རུ་གཙང་པོ 叶如藏布, which joins it at N 28° 25′ 6″, E 87° 37′ 50″ at OSM node n288118405, and 717 km of total upstream flows in.
Lunsun Khola, which joins it at N 27° 26′ 54″, E 87° 8′ 26″ at OSM node n306436665, and 480 km of total upstream flows in.
Barun River, which joins it at N 27° 41′ 33″, E 87° 21′ 54″ at OSM node n306438438, and 359 km of total upstream flows in.
Apsuwa Khola, which joins it at N 27° 32′ 24″, E 87° 13′ 53″ at OSM node n1611330864, and 353 km of total upstream flows in.
བཀྲ་དཀར་ཆུ 扎嘎曲, which joins it at N 28° 15′ 16″, E 87° 21′ 24″ at OSM node n1611332332, and 344 km of total upstream flows in.
Sabha Khola, which joins it at N 27° 16′ 15″, E 87° 12′ 23″ at OSM node n3214700341, and 337 km of total upstream flows in.
an unnamed river, which joins it at N 27° 36′ 23″, E 87° 21′ 8″ at OSM node n3380003963, and 254 km of total upstream flows in.
Isuwa Khola, which joins it at N 27° 33′ 31″, E 87° 15′ 19″ at OSM node n1611330887, and 234 km of total upstream flows in.
Medokchheje Khola, which joins it at N 27° 45′ 55″, E 87° 26′ 44″ at OSM node n3479242091, and 227 km of total upstream flows in.
洛洛曲, which joins it at N 28° 36′ 0″, E 87° 9′ 38″ at OSM node n662005319, and 192 km of total upstream flows in.
Pikhua Khola, which joins it at N 27° 2′ 40″, E 87° 10′ 59″ at OSM node n3359692825, and 174 km of total upstream flows in.
an unnamed river, which joins it at N 27° 34′ 41″, E 87° 17′ 30″ at OSM node n1611330977, and 157 km of total upstream flows in.
Piluwa Khola, which joins it at N 27° 12′ 41″, E 87° 14′ 17″ at OSM node n3383458072, and 146 km of total upstream flows in.
那塘曲, which joins it at N 27° 50′ 35″, E 87° 25′ 55″ at OSM node n1611331405, and 138 km of total upstream flows in.
an unnamed river, which joins it at N 28° 36′ 22″, E 86° 36′ 35″ at OSM node n2881793370, and 117 km of total upstream flows in.
an unnamed river, which joins it at N 27° 33′ 20″, E 87° 18′ 31″ at OSM node n4477743497, and 89 km of total upstream flows in.
an unnamed river, which joins it at N 27° 40′ 11″, E 87° 21′ 40″ at OSM node n3379709217, and 86 km of total upstream flows in.
an unnamed river, which joins it at N 28° 39′ 8″, E 86° 2′ 33″ at OSM node n1817292981, and 78 km of total upstream flows in.
an unnamed river, which joins it at N 28° 35′ 48″, E 86° 31′ 56″ at OSM node n3044235708, and 78 km of total upstream flows in.
an unnamed river, which joins it at N 28° 37′ 8″, E 86° 39′ 22″ at OSM node n11268839039, and 73 km of total upstream flows in.
ཁ་དམར་ཆུ 甘玛藏布, which joins it at N 27° 51′ 34″, E 87° 25′ 31″ at OSM node n2119332750, and 71 km of total upstream flows in.
Bakan Khola, which joins it at N 27° 46′ 55″, E 87° 27′ 1″ at OSM node n1611331246, and 70 km of total upstream flows in.
an unnamed river, which joins it at N 28° 36′ 12″, E 86° 36′ 10″ at OSM node n288256155, and 64 km of total upstream flows in.
an unnamed river, which joins it at N 28° 46′ 1″, E 86° 24′ 55″ at OSM node n3017588276, and 63 km of total upstream flows in.
an unnamed river, which joins it at N 28° 6′ 1″, E 87° 21′ 34″ at OSM node n2880865180, and 55 km of total upstream flows in.
an unnamed river, which joins it at N 27° 44′ 12″, E 87° 20′ 52″ at OSM node n1611331162, and 39 km of total upstream flows in.
an unnamed river, which joins it at N 27° 24′ 50″, E 87° 7′ 40″ at OSM node n3511174410, and 31 km of total upstream flows in.
an unnamed river, which joins it at N 28° 36′ 22″, E 86° 37′ 3″ at OSM node n3527571416, and 29 km of total upstream flows in.
an unnamed river, which joins it at N 27° 44′ 21″, E 87° 21′ 0″ at OSM node n3494838678, and 28 km of total upstream flows in.
an unnamed river, which joins it at N 27° 23′ 38″, E 87° 8′ 5″ at OSM node n3566849141, and 26 km of total upstream flows in.
an unnamed river, which joins it at N 27° 44′ 54″, E 87° 22′ 28″ at OSM node n3494839005, and 25 km of total upstream flows in.
an unnamed river, which joins it at N 28° 40′ 28″, E 85° 54′ 46″ at OSM node n3527863668, and 24 km of total upstream flows in.
an unnamed river, which joins it at N 28° 2′ 18″, E 87° 22′ 53″ at OSM node n3146454467, and 22 km of total upstream flows in.
Pikhuwa Khola, which joins it at N 27° 30′ 46″, E 87° 11′ 36″ at OSM node n3844293245, and 22 km of total upstream flows in.
an unnamed river, which joins it at N 28° 45′ 50″, E 86° 11′ 6″ at OSM node n3359568044, and 18 km of total upstream flows in.
an unnamed river, which joins it at N 28° 7′ 39″, E 87° 20′ 53″ at OSM node n13883412910, and 17 km of total upstream flows in.
an unnamed river, which joins it at N 27° 7′ 40″, E 87° 14′ 47″ at OSM node n5126060144, and 17 km of total upstream flows in.
an unnamed river, which joins it at N 27° 15′ 16″, E 87° 12′ 19″ at OSM node n3380003093, and 15 km of total upstream flows in.
an unnamed river, which joins it at N 27° 10′ 37″, E 87° 15′ 51″ at OSM node n3214700283, and 14 km of total upstream flows in.
an unnamed river, which joins it at N 27° 28′ 55″, E 87° 9′ 46″ at OSM node n3844293137, and 13 km of total upstream flows in.
an unnamed river, which joins it at N 27° 8′ 55″, E 87° 16′ 11″ at OSM node n3214700272, and 12 km of total upstream flows in.
an unnamed river, which joins it at N 27° 19′ 4″, E 87° 10′ 58″ at OSM node n306436700, and 12 km of total upstream flows in.
Chepuwa Khola, which joins it at N 27° 44′ 27″, E 87° 24′ 37″ at OSM node n3479245442, and 12 km of total upstream flows in.
Wan Khola, which joins it at N 27° 39′ 32″, E 87° 21′ 34″ at OSM node n3379709188, and 11 km of total upstream flows in.
an unnamed river, which joins it at N 27° 29′ 49″, E 87° 11′ 37″ at OSM node n3844293213, and 11 km of total upstream flows in.
an unnamed river, which joins it at N 28° 35′ 51″, E 87° 4′ 14″ at OSM node n288149247, and 10 km of total upstream flows in.
an unnamed river, which joins it at N 26° 59′ 1″, E 87° 10′ 29″ at OSM node n3380002412, and 10 km of total upstream flows in.
an unnamed river, which joins it at N 27° 0′ 27″, E 87° 11′ 53″ at OSM node n3380002687, and 9 km of total upstream flows in.
an unnamed river, which joins it at N 27° 50′ 4″, E 87° 24′ 10″ at OSM node n4481328620, and 8 km of total upstream flows in.
an unnamed river, which joins it at N 27° 13′ 50″, E 87° 13′ 28″ at OSM node n3214700311, and 8 km of total upstream flows in.
an unnamed river, which joins it at N 27° 23′ 10″, E 87° 9′ 5″ at OSM node n3511164242, and 8 km of total upstream flows in.
an unnamed river, which joins it at N 27° 6′ 24″, E 87° 13′ 1″ at OSM node n12925991996, and 8 km of total upstream flows in.
an unnamed river, which joins it at N 28° 36′ 2″, E 87° 13′ 19″ at OSM node n11627342974, and 7 km of total upstream flows in.
Numkhula Khola, which joins it at N 27° 33′ 11″, E 87° 18′ 8″ at OSM node n306438989, and 7 km of total upstream flows in.
an unnamed river, which joins it at N 26° 57′ 17″, E 87° 9′ 26″ at OSM node n3214699095, and 7 km of total upstream flows in.
Neguwa Khola, which joins it at N 27° 33′ 13″, E 87° 18′ 4″ at OSM node n4764730258, and 6 km of total upstream flows in.
an unnamed river, which joins it at N 28° 29′ 44″, E 87° 32′ 0″ at OSM node n288118440, and 6 km of total upstream flows in.
an unnamed river, which joins it at N 27° 54′ 30″, E 87° 22′ 56″ at OSM node n6077294820, and 6 km of total upstream flows in.
an unnamed river, which joins it at N 27° 44′ 53″, E 87° 22′ 23″ at OSM node n3494839004, and 6 km of total upstream flows in.
an unnamed river, which joins it at N 28° 4′ 19″, E 87° 22′ 40″ at OSM node n12888143492, and 6 km of total upstream flows in.
an unnamed river, which joins it at N 28° 35′ 55″, E 87° 12′ 40″ at OSM node n11627342975, and 5 km of total upstream flows in.
Ekuwa Khola, which joins it at N 27° 37′ 24″, E 87° 21′ 15″ at OSM node n4481440719, and 5 km of total upstream flows in.
an unnamed river, which joins it at N 26° 59′ 1″, E 87° 10′ 33″ at OSM node n306441905, and 5 km of total upstream flows in.
an unnamed river, which joins it at N 28° 10′ 24″, E 87° 20′ 25″ at OSM node n13883411418, and 5 km of total upstream flows in.
an unnamed river, which joins it at N 26° 57′ 11″, E 87° 9′ 28″ at OSM node n3380002341, and 5 km of total upstream flows in.
an unnamed river, which joins it at N 27° 13′ 59″, E 87° 13′ 2″ at OSM node n3214700313, and 4 km of total upstream flows in.
an unnamed river, which joins it at N 28° 33′ 40″, E 85° 51′ 25″ at OSM node n6279003334, and 4 km of total upstream flows in.
an unnamed river, which joins it at N 27° 44′ 41″, E 87° 24′ 56″ at OSM node n3494838906, and 4 km of total upstream flows in.
an unnamed river, which joins it at N 27° 40′ 41″, E 87° 21′ 53″ at OSM node n3494838268, and 4 km of total upstream flows in.
an unnamed river, which joins it at N 28° 46′ 0″, E 86° 24′ 47″ at OSM node n3527774615, and 4 km of total upstream flows in.
an unnamed river, which joins it at N 28° 36′ 13″, E 87° 6′ 31″ at OSM node n13855990414, and 4 km of total upstream flows in.
an unnamed river, which joins it at N 27° 28′ 25″, E 87° 9′ 12″ at OSM node n11554073940, and 4 km of total upstream flows in.
an unnamed river, which joins it at N 27° 31′ 41″, E 87° 13′ 47″ at OSM node n4476415869, and 4 km of total upstream flows in.
an unnamed river, which joins it at N 27° 21′ 49″, E 87° 10′ 48″ at OSM node n306436690, and 4 km of total upstream flows in.
an unnamed river, which joins it at N 28° 35′ 29″, E 87° 21′ 13″ at OSM node n4079818432, and 4 km of total upstream flows in.
an unnamed river, which joins it at N 27° 28′ 1″, E 87° 8′ 43″ at OSM node n11554594906, and 4 km of total upstream flows in.
an unnamed river, which joins it at N 27° 2′ 12″, E 87° 11′ 11″ at OSM node n12861772552, and 4 km of total upstream flows in.
an unnamed river, which joins it at N 27° 1′ 7″, E 87° 11′ 43″ at OSM node n5128994349, and 4 km of total upstream flows in.
an unnamed river, which joins it at N 27° 38′ 25″, E 87° 21′ 2″ at OSM node n3494838321, and 3 km of total upstream flows in.
an unnamed river, which joins it at N 27° 27′ 29″, E 87° 9′ 0″ at OSM node n306436660, and 3 km of total upstream flows in.
an unnamed river, which joins it at N 27° 25′ 13″, E 87° 7′ 34″ at OSM node n11613471923, and 3 km of total upstream flows in.
an unnamed river, which joins it at N 27° 27′ 13″, E 87° 8′ 54″ at OSM node n3844293002, and 3 km of total upstream flows in.
an unnamed river, which joins it at N 27° 35′ 53″, E 87° 20′ 43″ at OSM node n3494837561, and 3 km of total upstream flows in.
Amsuwa Khola, which joins it at N 27° 37′ 50″, E 87° 21′ 20″ at OSM node n4481440689, and 3 km of total upstream flows in.
an unnamed river, which joins it at N 28° 36′ 26″, E 87° 16′ 53″ at OSM node n12480243661, and 3 km of total upstream flows in.
an unnamed river, which joins it at N 27° 34′ 8″, E 87° 16′ 34″ at OSM node n11300559853, and 2 km of total upstream flows in.
Bendaksuwa Khola, which joins it at N 27° 30′ 56″, E 87° 11′ 43″ at OSM node n3844293247, and 2 km of total upstream flows in.
an unnamed river, which joins it at N 27° 46′ 29″, E 87° 27′ 2″ at OSM node n11205749058, and 2 km of total upstream flows in.
an unnamed river, which joins it at N 27° 37′ 6″, E 87° 21′ 17″ at OSM node n11251445686, and 2 km of total upstream flows in.
an unnamed river, which joins it at N 27° 26′ 30″, E 87° 8′ 10″ at OSM node n9241016642, and 2 km of total upstream flows in.
Sakhuwa Khola, which joins it at N 27° 31′ 28″, E 87° 13′ 39″ at OSM node n10858125693, and 2 km of total upstream flows in.
an unnamed river, which joins it at N 28° 20′ 14″, E 87° 28′ 21″ at OSM node n3513030932, and 2 km of total upstream flows in.
an unnamed river, which joins it at N 27° 42′ 57″, E 87° 22′ 6″ at OSM node n3494838797, and 2 km of total upstream flows in.
an unnamed river, which joins it at N 27° 32′ 30″, E 87° 13′ 59″ at OSM node n1611330868, and 2 km of total upstream flows in.
an unnamed river, which joins it at N 27° 36′ 41″, E 87° 21′ 35″ at OSM node n4764729425, and 2 km of total upstream flows in.
an unnamed river, which joins it at N 26° 59′ 59″, E 87° 11′ 48″ at OSM node n3380002634, and 2 km of total upstream flows in.
an unnamed river, which joins it at N 27° 31′ 26″, E 87° 12′ 58″ at OSM node n3844293256, and 2 km of total upstream flows in.
an unnamed river, which joins it at N 27° 38′ 19″, E 87° 21′ 1″ at OSM node n11238813143, and 2 km of total upstream flows in.
an unnamed river, which joins it at N 27° 28′ 30″, E 87° 9′ 14″ at OSM node n11553914384, and 1 km of total upstream flows in.
an unnamed river, which joins it at N 27° 29′ 5″, E 87° 10′ 4″ at OSM node n11564274873, and 1 km of total upstream flows in.
an unnamed river, which joins it at N 26° 56′ 16″, E 87° 8′ 53″ at OSM node n3214699084, and 1 km of total upstream flows in.
an unnamed river, which joins it at N 27° 39′ 55″, E 87° 21′ 28″ at OSM node n11233581623, and 1 km of total upstream flows in.
an unnamed river, which joins it at N 26° 58′ 24″, E 87° 10′ 12″ at OSM node n4491045041, and 1 km of total upstream flows in.
an unnamed river, which joins it at N 26° 57′ 56″, E 87° 9′ 36″ at OSM node n4491045053, and 1 km of total upstream flows in.
an unnamed river, which joins it at N 27° 44′ 25″, E 87° 24′ 19″ at OSM node n3494838753, and 1 km of total upstream flows in.
an unnamed river, which joins it at N 27° 41′ 5″, E 87° 21′ 51″ at OSM node n11224955655, and 897 m of total upstream flows in.
an unnamed river, which joins it at N 27° 29′ 19″, E 87° 10′ 51″ at OSM node n11524968366, and 839 m of total upstream flows in.
an unnamed river, which joins it at N 27° 31′ 21″, E 87° 12′ 56″ at OSM node n3844293255, and 772 m of total upstream flows in.
an unnamed river, which joins it at N 28° 34′ 7″, E 87° 23′ 57″ at OSM node n4079818158, and 723 m of total upstream flows in.
an unnamed river, which joins it at N 27° 31′ 6″, E 87° 12′ 5″ at OSM node n306436641, and 682 m of total upstream flows in.
an unnamed river, which joins it at N 28° 40′ 59″, E 86° 8′ 17″ at OSM node n471658123, and 627 m of total upstream flows in.
an unnamed river, which joins it at N 27° 34′ 16″, E 87° 16′ 41″ at OSM node n11302235594, and 605 m of total upstream flows in.
an unnamed river, which joins it at N 28° 36′ 24″, E 87° 16′ 51″ at OSM node n12480285259, and 584 m of total upstream flows in.
an unnamed river, which joins it at N 27° 27′ 9″, E 87° 8′ 32″ at OSM node n12865192261, and 554 m of total upstream flows in.
an unnamed river, which joins it at N 27° 34′ 14″, E 87° 16′ 38″ at OSM node n11302182372, and 530 m of total upstream flows in.
an unnamed river, which joins it at N 27° 31′ 8″, E 87° 12′ 34″ at OSM node n3844293252, and 391 m of total upstream flows in.
an unnamed river, which joins it at N 27° 33′ 31″, E 87° 17′ 58″ at OSM node n11174316596, and 255 m of total upstream flows in.
an unnamed river, which joins it at N 28° 47′ 0″, E 86° 13′ 24″ at OSM node n13818243107, and 226 m of total upstream flows in.
an unnamed river, which joins it at N 27° 33′ 26″, E 87° 18′ 0″ at OSM node n11174469956, and 166 m of total upstream flows in.
an unnamed river, which joins it at N 27° 33′ 29″, E 87° 17′ 59″ at OSM node n11174469946, and 165 m of total upstream flows in.