(unnamed)

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(unnamed) flows into 江川 , which it joins at N 33° 53′ 5″, E 130° 41′ 46″ at OSM node n745258766, and there 4 km of total upstream flows in. load it's distributaries

(unnamed) has 2 tributaries.

• 中島川, which joins it at N 33° 52′ 51″, E 130° 42′ 1″ at OSM node n745407176, and 960 m of total upstream flows in.
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• 宿ノ内川, which joins it at N 33° 52′ 51″, E 130° 42′ 1″ at OSM node n745407176, and 916 m of total upstream flows in.
load it's tributaries