古川支川

古川支川 is 7 km long, and has a stream level of 2.

Map of 古川支川

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Distributaries / Outflows

古川支川 flows into 古川 , which it joins at N 43° 49′ 58″, E 142° 49′ 31″ at OSM node n1457777757, and there 14 km of total upstream flows in.

Tributaries

古川支川 has 0 tributaries.