大井谷川

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大井谷川 flows into 七色貯水池 , which it joins at N 33° 58′ 38″, E 136° 1′ 13″ at OSM node n734277847, and there 4 km of total upstream flows in. load it's distributaries

大井谷川 has 1 tributaries.

• (unnamed), which joins it at N 33° 58′ 24″, E 136° 1′ 34″ at OSM node n734293629, and 1 km of total upstream flows in.
load it's tributaries