(unnamed)

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(unnamed) flows into 源河川 , which it joins at N 26° 35′ 59″, E 128° 5′ 6″ at OSM node n695757903, and there 3 km of total upstream flows in. load it's distributaries

(unnamed) has 1 tributaries.

• 源河大川, which joins it at N 26° 35′ 57″, E 128° 5′ 9″ at OSM node n695757924, and 3 km of total upstream flows in.
load it's tributaries