上尾根内川

上尾根内川 is 6 km long, and has a stream level of 1.

Map of 上尾根内川

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上尾根内川 flows into 余市川 , which it joins at N 43° 2′ 24″, E 140° 46′ 53″ at OSM node n1451541587, and there 215 km of total upstream flows in.

上尾根内川 has 2 tributaries.

中尾根内川, which joins it at N 43° 2′ 22″, E 140° 46′ 58″ at OSM node n1451541433, and 4 km of total upstream flows in.

ポン尾根内川, which joins it at N 43° 2′ 26″, E 140° 47′ 15″ at OSM node n1451541843, and 3 km of total upstream flows in.