(unnamed)

(unnamed) is 2 km long, and has a stream level of 4.

Map of (unnamed)

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(unnamed) flows into 穴毛谷 , which it joins at N 36° 18′ 23″, E 137° 34′ 3″ at OSM node n726102041, and there 13 km of total upstream flows in.

(unnamed) has 2 tributaries.

五ノ沢, which joins it at N 36° 18′ 42″, E 137° 34′ 4″ at OSM node n8858108674, and 3 km of total upstream flows in.

六ノ沢, which joins it at N 36° 18′ 49″, E 137° 34′ 9″ at OSM node n726168251, and 908 m of total upstream flows in.