(unnamed)

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(unnamed) flows into 須合谷川 , which it joins at N 35° 44′ 22″, E 136° 36′ 5″ at OSM node n726273518, and there 34 km of total upstream flows in. load it's distributaries

(unnamed) has 2 tributaries.

• 河内谷, which joins it at N 35° 44′ 35″, E 136° 36′ 6″ at OSM node n726206486, and 18 km of total upstream flows in.
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• 岩ノ子谷, which joins it at N 35° 44′ 35″, E 136° 36′ 6″ at OSM node n726206486, and 12 km of total upstream flows in.
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