上古丹川

上古丹川 is 19 km long, and has a stream level of 2.

Map of 上古丹川

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Distributaries / Outflows

上古丹川 flows into 立牛川 , which it joins at N 44° 7′ 53″, E 143° 12′ 2″ at OSM node n1476345062, and there 175 km of total upstream flows in.

Tributaries

上古丹川 has 14 tributaries.