黒川

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黒川 flows into 名無川 , which it joins at N 42° 46′ 25″, E 140° 38′ 40″ at OSM node n1463203396, and there 20 km of total upstream flows in. load it's distributaries

黒川 has 2 tributaries.

• 板谷川, which joins it at N 42° 46′ 7″, E 140° 38′ 43″ at OSM node n1463201632, and 2 km of total upstream flows in.
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• 丹野川, which joins it at N 42° 45′ 59″, E 140° 39′ 34″ at OSM node n1463200913, and 823 m of total upstream flows in.
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