(unnamed)

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(unnamed) flows into 入間川 , which it joins at N 35° 50′ 9″, E 139° 20′ 15″ at OSM node n1047531434, and there 204 km of total upstream flows in. load it's distributaries

(unnamed) has 1 tributaries.

• 唐沢, which joins it at N 35° 49′ 56″, E 139° 19′ 51″ at OSM node n1048295701, and 5 km of total upstream flows in.
load it's tributaries