(unnamed)

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(unnamed) flows into the sea: 8 km flows in at N 33° 20′ 43″, E 130° 42′ 53″ at OSM node n745286928. (unnamed) has 2 distributaries.

• 巨瀬川 , which it joins at N 33° 20′ 45″, E 130° 45′ 2″ at OSM node n8622719722, and 25 km of total upstream flows in. load it's distributaries
• 美津留川 , which it joins at N 33° 21′ 13″, E 130° 44′ 42″ at OSM node n745327947, and 10 km of total upstream flows in. load it's distributaries

(unnamed) has 1 tributaries.

• 南新川, which joins it at N 33° 20′ 43″, E 130° 45′ 16″ at OSM node n745493310, and 4 km of total upstream flows in.
load it's tributaries