古川

古川 is 3 km long, and has a stream level of 0.

Map of 古川

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古川 flows into the sea: 3 km flows in at N 34° 15′ 30″, E 134° 20′ 2″ at OSM node n617073247.

古川 has 1 tributaries.

(unnamed), which joins it at N 34° 13′ 55″, E 134° 19′ 53″ at OSM node n755997214, and 150 m of total upstream flows in.