古潭川

古潭川 is 14 km long, and has a stream level of 0.

Map of 古潭川

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古潭川 flows into the sea: 25 km flows in at N 43° 21′ 16″, E 141° 25′ 37″ at OSM node n1451617042.

古潭川 has 3 tributaries.

寺の沢川, which joins it at N 43° 21′ 21″, E 141° 25′ 46″ at OSM node n1451617169, and 6 km of total upstream flows in.

右股川, which joins it at N 43° 23′ 22″, E 141° 29′ 44″ at OSM node n1451619251, and 4 km of total upstream flows in.

(unnamed), which joins it at N 43° 21′ 21″, E 141° 26′ 0″ at OSM node n1451617173, and 1 km of total upstream flows in.