(unnamed)

(unnamed) is 3 km long, and has a stream level of 1.

Map of (unnamed)

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(unnamed) has 3 distributaries.

筑後川 , which it joins at N 33° 21′ 40″, E 130° 42′ 7″ at OSM node n745267258, and 1,346 km of total upstream flows in.
美津留川 , which it joins at N 33° 21′ 0″, E 130° 42′ 49″ at OSM node n745573577, and 20 km of total upstream flows in.
古川 , which it joins at N 33° 21′ 22″, E 130° 43′ 7″ at OSM node n745516324, and 2 km of total upstream flows in.

(unnamed) has 1 tributaries.

北新川, which joins it at N 33° 21′ 39″, E 130° 44′ 29″ at OSM node n745580579, and 6 km of total upstream flows in.