La Somme

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La Somme flows into the sea: 227 km flows in at N 49° 54′ 58″, E 2° 42′ 34″ at OSM node n1298352474.

La Somme has 3 tributaries.

• La Somme Rivière, which joins it at N 49° 56′ 15″, E 2° 54′ 0″ at OSM node n1298352475, and 189 km of total upstream flows in.
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• (unnamed), which joins it at N 49° 56′ 57″, E 2° 48′ 14″ at OSM node n4497937306, and 1 km of total upstream flows in.
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• (unnamed), which joins it at N 49° 55′ 31″, E 2° 42′ 42″ at OSM node n7119263279, and 55 m of total upstream flows in.
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