(unnamed)

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(unnamed) flows into 坂本谷 , which it joins at N 35° 20′ 0″, E 132° 58′ 57″ at OSM node n749034256, and there 2 km of total upstream flows in. load it's distributaries

(unnamed) has 1 tributaries.

• 西谷川, which joins it at N 35° 20′ 9″, E 132° 58′ 52″ at OSM node n749273105, and 112 m of total upstream flows in.
load it's tributaries