久保沢川

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久保沢川 flows into 湯川 , which it joins at N 36° 17′ 47″, E 138° 30′ 0″ at OSM node n748256571, and there 137 km of total upstream flows in. load it's distributaries

久保沢川 has 1 tributaries.

• (unnamed), which joins it at N 36° 18′ 3″, E 138° 30′ 8″ at OSM node n748525355, and 2 km of total upstream flows in.
load it's tributaries