三区川

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三区川 flows into 四区川 , which it joins at N 44° 8′ 1″, E 143° 0′ 56″ at OSM node n1476345769, and there 7 km of total upstream flows in. load it's distributaries

三区川 has 1 tributaries.

• (unnamed), which joins it at N 44° 8′ 1″, E 143° 0′ 13″ at OSM node n1476345706, and 872 m of total upstream flows in.
load it's tributaries