長根川

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長根川 flows into (unnamed) , which it joins at N 34° 51′ 54″, E 137° 19′ 5″ at OSM node n727167582, and there 3 km of total upstream flows in. load it's distributaries

長根川 has 1 tributaries.

• (unnamed), which joins it at N 34° 51′ 55″, E 137° 19′ 3″ at OSM node n727091987, and 830 m of total upstream flows in.
load it's tributaries