大石川

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大石川 flows into 初原川 , which it joins at N 36° 49′ 15″, E 140° 17′ 13″ at OSM node n758150490, and there 11 km of total upstream flows in. load it's distributaries

大石川 has 1 tributaries.

• (unnamed), which joins it at N 36° 50′ 49″, E 140° 16′ 55″ at OSM node n758409029, and 988 m of total upstream flows in.
load it's tributaries