(unnamed)

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(unnamed) flows into 大野川 , which it joins at N 35° 55′ 12″, E 139° 59′ 48″ at OSM node n4583131801, and there 9 km of total upstream flows in. load it's distributaries

(unnamed) has 2 tributaries.

• 大野川, which joins it at N 35° 55′ 12″, E 139° 59′ 29″ at OSM node n4665625873, and 7 km of total upstream flows in.
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• 羽中川, which joins it at N 35° 55′ 12″, E 139° 59′ 32″ at OSM node n758524618, and 1 km of total upstream flows in.
load it's tributaries