(unnamed)

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(unnamed) flows into 直海谷川 , which it joins at N 36° 20′ 48″, E 136° 44′ 41″ at OSM node n715288233, and there 3 km of total upstream flows in. load it's distributaries

(unnamed) has 2 tributaries.

• 小タル, which joins it at N 36° 20′ 33″, E 136° 44′ 55″ at OSM node n715286382, and 2 km of total upstream flows in.
load it's tributaries
• ガラン谷, which joins it at N 36° 20′ 33″, E 136° 44′ 55″ at OSM node n715286382, and 1 km of total upstream flows in.
load it's tributaries