(unnamed)

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(unnamed) flows into 古小川 , which it joins at N 33° 15′ 46″, E 130° 17′ 24″ at OSM node n1987921910, and there 973 m of total upstream flows in. load it's distributaries

(unnamed) has 1 tributaries.

• 古小川, which joins it at N 33° 15′ 46″, E 130° 17′ 24″ at OSM node n1987921925, and 958 m of total upstream flows in.
load it's tributaries