大洞谷

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大洞谷 flows into 長良川 , which it joins at N 35° 42′ 13″, E 136° 56′ 46″ at OSM node n726176278, and there 643 km of total upstream flows in. load it's distributaries

大洞谷 has 1 tributaries.

• (unnamed), which joins it at N 35° 42′ 30″, E 136° 56′ 24″ at OSM node n726134646, and 254 m of total upstream flows in.
load it's tributaries