古川

古川 is 3 km long, and has a stream level of 1.

Map of 古川

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古川 flows into 御坊川 , which it joins at N 34° 19′ 8″, E 134° 2′ 59″ at OSM node n755978991, and there 24 km of total upstream flows in.

古川 has 3 tributaries.

(unnamed), which joins it at N 34° 19′ 0″, E 134° 2′ 45″ at OSM node n12077105755, and 557 m of total upstream flows in.

(unnamed), which joins it at N 34° 18′ 59″, E 134° 2′ 50″ at OSM node n735015753, and 522 m of total upstream flows in.

(unnamed), which joins it at N 34° 19′ 7″, E 134° 2′ 59″ at OSM node n735015747, and 119 m of total upstream flows in.