数成川

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数成川 flows into (unnamed) , which it joins at N 35° 14′ 49″, E 137° 5′ 31″ at OSM node n727257408, and there 2 km of total upstream flows in. load it's distributaries

数成川 has 2 tributaries.

• 釜ヶ洞川, which joins it at N 35° 14′ 48″, E 137° 5′ 34″ at OSM node n727063879, and 914 m of total upstream flows in.
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• (unnamed), which joins it at N 35° 14′ 39″, E 137° 6′ 2″ at OSM node n8156551498, and 28 m of total upstream flows in.
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