荒川

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荒川 flows into 小渋川 , which it joins at N 35° 28′ 45″, E 138° 7′ 11″ at OSM node n747965477, and there 12 km of total upstream flows in. load it's distributaries

荒川 has 2 tributaries.

• 福川, which joins it at N 35° 28′ 48″, E 138° 7′ 32″ at OSM node n748341715, and 5 km of total upstream flows in.
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• 井戸川, which joins it at N 35° 28′ 48″, E 138° 7′ 48″ at OSM node n748287699, and 2 km of total upstream flows in.
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