(unnamed)

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(unnamed) flows into the sea: 481 m flows in at N 32° 57′ 49″, E 131° 8′ 39″ at OSM node n4142743552. 377 m flows in at N 32° 58′ 0″, E 131° 8′ 40″ at OSM node n744528600. (unnamed) flows into 黒川 , which it joins at the following points: 22 km of total upstream flows in at N 32° 57′ 57″, E 131° 8′ 0″ at OSM node n744550687 32 km of total upstream flows in at N 32° 58′ 13″, E 131° 7′ 48″ at OSM node n744580129 load it's distributaries

(unnamed) has 0 tributaries.