(unnamed)

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(unnamed) flows into 八幡川 , which it joins at N 34° 48′ 22″, E 137° 48′ 46″ at OSM node n735414322, and there 12 km of total upstream flows in. load it's distributaries

(unnamed) has 1 tributaries.

• 東中瀬川, which joins it at N 34° 48′ 24″, E 137° 48′ 47″ at OSM node n735840780, and 2 km of total upstream flows in.
load it's tributaries