(unnamed)

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(unnamed) flows into the sea: 6 km flows in at N 35° 21′ 20″, E 138° 58′ 55″ at OSM node n735616860. (unnamed) flows into 鮎沢川 , which it joins at N 35° 20′ 48″, E 138° 58′ 44″ at OSM node n735188886, and there 198 km of total upstream flows in. load it's distributaries

(unnamed) has 1 tributaries.

• 須川, which joins it at N 35° 21′ 34″, E 138° 56′ 47″ at OSM node n735722664, and 9 km of total upstream flows in.
load it's tributaries