ポンケイ川

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ポンケイ川 flows into ヤスベツ川 , which it joins at N 45° 9′ 40″, E 142° 13′ 47″ at OSM node n1465736755, and there 15 km of total upstream flows in. load it's distributaries

ポンケイ川 has 1 tributaries.

• (unnamed), which joins it at N 45° 8′ 54″, E 142° 12′ 40″ at OSM node n1465731124, and 2 km of total upstream flows in.
load it's tributaries