上渋山川

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上渋山川 flows into 渋山川 , which it joins at N 42° 50′ 2″, E 142° 56′ 26″ at OSM node n1462252834, and there 31 km of total upstream flows in. load it's distributaries

上渋山川 has 1 tributaries.

• (unnamed), which joins it at N 42° 50′ 15″, E 142° 55′ 49″ at OSM node n1462254108, and 2 km of total upstream flows in.
load it's tributaries