本川

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本川 flows into 真国川 , which it joins at N 34° 13′ 7″, E 135° 27′ 32″ at OSM node n974580748, and there 34 km of total upstream flows in. load it's distributaries

本川 has 2 tributaries.

• (unnamed), which joins it at N 34° 14′ 6″, E 135° 27′ 25″ at OSM node n974587829, and 419 m of total upstream flows in.
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• (unnamed), which joins it at N 34° 14′ 13″, E 135° 27′ 22″ at OSM node n974556398, and 381 m of total upstream flows in.
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