古川

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

Map of 古川

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Distributaries / Outflows

古川 flows into 小野田川 , which it joins at N 34° 47′ 24″, E 134° 5′ 41″ at OSM node n751349735, and there 20 km of total upstream flows in.

Tributaries

古川 has 0 tributaries.