洞佐古谷

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洞佐古谷 flows into (unnamed) , which it joins at N 35° 51′ 49″, E 136° 51′ 35″ at OSM node n726003851, and there 2 km of total upstream flows in. load it's distributaries

洞佐古谷 has 1 tributaries.

• (unnamed), which joins it at N 35° 52′ 4″, E 136° 51′ 58″ at OSM node n726036602, and 1 km of total upstream flows in.
load it's tributaries