コタン沢川

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コタン沢川 flows into 湧別川 , which it joins at N 44° 0′ 44″, E 143° 24′ 34″ at OSM node n1476272225, and there 981 km of total upstream flows in. load it's distributaries

コタン沢川 has 1 tributaries.

• コタン開拓沢川, which joins it at N 43° 59′ 58″, E 143° 24′ 57″ at OSM node n1476264485, and 6 km of total upstream flows in.
  load it's tributaries