北洞川

北洞川 is 4 km long, and has a stream level of 2.

Map of 北洞川

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Distributaries / Outflows

北洞川 flows into 阿妻川 , which it joins at N 35° 16′ 7″, E 137° 20′ 43″ at OSM node n725936111, and there 18 km of total upstream flows in.

Tributaries

北洞川 has 10 tributaries.