久保沢川

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久保沢川 flows into 大久保沢川 , which it joins at N 42° 53′ 52″, E 143° 36′ 10″ at OSM node n1462265227, and there 8 km of total upstream flows in. load it's distributaries

久保沢川 has 1 tributaries.

• (unnamed), which joins it at N 42° 54′ 6″, E 143° 36′ 4″ at OSM node n1462266267, and 3 km of total upstream flows in.
load it's tributaries