谷洞

谷洞 is 1 km long, and has a stream level of 4.

Map of 谷洞

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谷洞 flows into 山之口川 , which it joins at N 35° 57′ 46″, E 137° 11′ 49″ at OSM node n726084261, and there 38 km of total upstream flows in.

谷洞 has 2 tributaries.

(unnamed), which joins it at N 35° 57′ 52″, E 137° 12′ 9″ at OSM node n726135661, and 2 km of total upstream flows in.

ウルシガ洞谷, which joins it at N 35° 57′ 51″, E 137° 11′ 58″ at OSM node n725984721, and 866 m of total upstream flows in.