(unnamed)

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(unnamed) flows into 秩父別桜川 , which it joins at N 43° 44′ 55″, E 141° 58′ 24″ at OSM node n1465353737, and there 19 km of total upstream flows in. load it's distributaries

(unnamed) has 2 tributaries.

• 大聖川, which joins it at N 43° 46′ 3″, E 141° 58′ 17″ at OSM node n1463527336, and 2 km of total upstream flows in.
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• クマダ川, which joins it at N 43° 45′ 2″, E 141° 58′ 0″ at OSM node n1465354313, and 804 m of total upstream flows in.
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