(unnamed)

(unnamed) is 5 km long, and has a stream level of 1.

Map of (unnamed)

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(unnamed) has 2 distributaries.

川内川 , which it joins at N 32° 3′ 38″, E 130° 46′ 57″ at OSM node n743736982, and 197 km of total upstream flows in.
西境川 , which it joins at the following points: 10 km of total upstream flows in at N 32° 3′ 0″, E 130° 46′ 33″ at OSM node n743738177. 11 km of total upstream flows in at N 32° 3′ 1″, E 130° 46′ 29″ at OSM node n743803826.

(unnamed) has 1 tributaries.

新田川, which joins it at N 32° 2′ 47″, E 130° 46′ 19″ at OSM node n743796126, and 1 km of total upstream flows in.