(unnamed)

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(unnamed) flows into 員弁川 , which it joins at N 35° 9′ 19″, E 136° 30′ 14″ at OSM node n734314201, and there 127 km of total upstream flows in. load it's distributaries

(unnamed) has 1 tributaries.

• 砂川, which joins it at N 35° 9′ 25″, E 136° 30′ 11″ at OSM node n734753374, and 6 km of total upstream flows in.
load it's tributaries