一番川

一番川 is 20 km long, and has a stream level of 2.

Map of 一番川

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Distributaries / Outflows

一番川 flows into 当別川 , which it joins at N 43° 25′ 15″, E 141° 34′ 37″ at OSM node n1463458134, and there 189 km of total upstream flows in.

Tributaries

一番川 has 9 tributaries.

(unnamed), which joins it at N 43° 26′ 43″, E 141° 40′ 18″ at OSM node n1463464333, and 6 km of total upstream flows in.

(unnamed), which joins it at N 43° 27′ 26″, E 141° 40′ 48″ at OSM node n1463466663, and 4 km of total upstream flows in.

村田沢川, which joins it at N 43° 25′ 23″, E 141° 36′ 22″ at OSM node n1463459367, and 4 km of total upstream flows in.

(unnamed), which joins it at N 43° 28′ 14″, E 141° 41′ 32″ at OSM node n1463470800, and 2 km of total upstream flows in.

(unnamed), which joins it at N 43° 27′ 53″, E 141° 40′ 59″ at OSM node n1463468640, and 2 km of total upstream flows in.

(unnamed), which joins it at N 43° 27′ 37″, E 141° 40′ 53″ at OSM node n1463467309, and 1 km of total upstream flows in.

小武の沢川, which joins it at N 43° 25′ 20″, E 141° 36′ 24″ at OSM node n1463459112, and 754 m of total upstream flows in.

(unnamed), which joins it at N 43° 27′ 17″, E 141° 40′ 36″ at OSM node n1463466374, and 715 m of total upstream flows in.

六角の沢川, which joins it at N 43° 25′ 23″, E 141° 35′ 40″ at OSM node n1463459390, and 584 m of total upstream flows in.