古ヶ谷

古ヶ谷 is 2 km long, and has a stream level of 3.

Map of 古ヶ谷

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古ヶ谷 flows into 宮川 , which it joins at N 34° 17′ 55″, E 136° 13′ 11″ at OSM node n734346114, and there 168 km of total upstream flows in.

古ヶ谷 has 3 tributaries.

(unnamed), which joins it at N 34° 18′ 15″, E 136° 12′ 24″ at OSM node n734456646, and 604 m of total upstream flows in.

(unnamed), which joins it at N 34° 17′ 57″, E 136° 12′ 59″ at OSM node n734582291, and 428 m of total upstream flows in.

(unnamed), which joins it at N 34° 18′ 5″, E 136° 12′ 42″ at OSM node n734417639, and 387 m of total upstream flows in.