一号川

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一号川 flows into コイボクショコツ川 , which it joins at N 43° 17′ 58″, E 143° 55′ 51″ at OSM node n1467139723, and there 17 km of total upstream flows in. load it's distributaries

一号川 has 1 tributaries.

• (unnamed), which joins it at N 43° 18′ 5″, E 143° 56′ 17″ at OSM node n1467141656, and 615 m of total upstream flows in.
load it's tributaries