(unnamed)

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(unnamed) flows into 関川 , which it joins at N 33° 0′ 51″, E 130° 31′ 31″ at OSM node n744493077, and there 32 km of total upstream flows in. load it's distributaries

(unnamed) has 1 tributaries.

• 宮尾川, which joins it at N 33° 0′ 29″, E 130° 31′ 50″ at OSM node n744688401, and 967 m of total upstream flows in.
load it's tributaries