七合川

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七合川 flows into 船坂川 , which it joins at N 34° 50′ 8″, E 135° 15′ 29″ at OSM node n970028463, and there 15 km of total upstream flows in. load it's distributaries

七合川 has 2 tributaries.

• ななくさ川, which joins it at N 34° 50′ 8″, E 135° 15′ 53″ at OSM node n970272105, and 711 m of total upstream flows in.
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• ななき川, which joins it at N 34° 50′ 6″, E 135° 15′ 48″ at OSM node n969818024, and 672 m of total upstream flows in.
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