長根川

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長根川 flows into 大沢川 , which it joins at N 36° 15′ 27″, E 138° 58′ 43″ at OSM node n759441017, and there 16 km of total upstream flows in. load it's distributaries

長根川 has 1 tributaries.

• (unnamed), which joins it at N 36° 15′ 26″, E 138° 58′ 3″ at OSM node n760118151, and 676 m of total upstream flows in.
load it's tributaries