上ホロナイ川

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上ホロナイ川 flows into 然別川 , which it joins at N 43° 5′ 12″, E 142° 59′ 5″ at OSM node n1462355581, and there 277 km of total upstream flows in. load it's distributaries

上ホロナイ川 has 1 tributaries.

• (unnamed), which joins it at N 43° 6′ 35″, E 142° 57′ 24″ at OSM node n1462371509, and 3 km of total upstream flows in.
load it's tributaries