1の沢川

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1の沢川 flows into 伊奈牛川 , which it joins at N 44° 1′ 50″, E 143° 22′ 49″ at OSM node n1476284484, and there 21 km of total upstream flows in. load it's distributaries

1の沢川 has 1 tributaries.

• (unnamed), which joins it at N 44° 2′ 34″, E 143° 23′ 45″ at OSM node n1476293830, and 310 m of total upstream flows in.
load it's tributaries