(unnamed)

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(unnamed) flows into the sea: 949 m flows in at N 35° 25′ 51″, E 139° 34′ 7″ at OSM node n1740804371. 270 m flows in at N 35° 25′ 35″, E 139° 33′ 55″ at OSM node n1740838296. 11 m flows in at N 35° 25′ 51″, E 139° 34′ 7″ at OSM node n1740804371. 6 m flows in at N 35° 25′ 35″, E 139° 33′ 55″ at OSM node n1740838296. (unnamed) flows into 平戸永谷川 , which it joins at N 35° 25′ 11″, E 139° 33′ 29″ at OSM node n1047386697, and there 14 km of total upstream flows in. load it's distributaries

(unnamed) has 0 tributaries.