(unnamed)

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(unnamed) flows into 木皿川 , which it joins at N 36° 47′ 26″, E 140° 42′ 51″ at OSM node n758530215, and there 31 km of total upstream flows in. load it's distributaries

(unnamed) has 1 tributaries.

• 大塚沢, which joins it at N 36° 47′ 21″, E 140° 42′ 44″ at OSM node n758406162, and 3 km of total upstream flows in.
load it's tributaries