(unnamed)

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(unnamed) flows into 那比川 , which it joins at N 35° 42′ 36″, E 136° 54′ 38″ at OSM node n12215277518, and there 72 km of total upstream flows in. load it's distributaries

(unnamed) has 1 tributaries.

• 日洞谷, which joins it at N 35° 42′ 36″, E 136° 54′ 36″ at OSM node n12215277511, and 711 m of total upstream flows in.
load it's tributaries