ポンコタロン沢川

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ポンコタロン沢川 flows into 留真川 , which it joins at N 42° 59′ 49″, E 143° 40′ 53″ at OSM node n1462306947, and there 19 km of total upstream flows in. load it's distributaries

ポンコタロン沢川 has 2 tributaries.

• (unnamed), which joins it at N 42° 59′ 56″, E 143° 41′ 17″ at OSM node n1462307845, and 1 km of total upstream flows in.
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• (unnamed), which joins it at N 43° 0′ 13″, E 143° 41′ 29″ at OSM node n1462309341, and 283 m of total upstream flows in.
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