(unnamed)

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(unnamed) flows into 鬼谷川 , which it joins at N 35° 43′ 11″, E 137° 2′ 37″ at OSM node n726110948, and there 21 km of total upstream flows in. load it's distributaries

(unnamed) has 1 tributaries.

• 下屋洞, which joins it at N 35° 43′ 15″, E 137° 2′ 15″ at OSM node n726179430, and 686 m of total upstream flows in.
load it's tributaries