Le Serein

Based on OpenStreetMap data, Le Serein is 20 km long.

Le Serein is in France, flowing through the subregions of Ille-et-Vilaine

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Le Serein has 7 tributaries.

an unnamed river, which joins it at N 48° 3′ 26″, W 1° 58′ 41″ at OSM node n3683615105, and 8 km of total upstream flows in.
L'Aune, which joins it at N 48° 4′ 49″, W 1° 56′ 10″ at OSM node n410373331, and 6 km of total upstream flows in.
an unnamed river, which joins it at N 48° 2′ 43″, W 2° 2′ 51″ at OSM node n972956731, and 2 km of total upstream flows in.
Ruisseau des Vallées, which joins it at N 48° 2′ 55″, W 2° 1′ 1″ at OSM node n5518603802, and 2 km of total upstream flows in.
an unnamed river, which joins it at N 48° 2′ 43″, W 2° 2′ 57″ at OSM node n671048280, and 1,000 m of total upstream flows in.
an unnamed river, which joins it at N 48° 3′ 10″, W 2° 0′ 22″ at OSM node n672316969, and 240 m of total upstream flows in.
an unnamed river, which joins it at N 48° 2′ 24″, W 2° 4′ 38″ at OSM node n3683615033, and 221 m of total upstream flows in.