(unnamed)

(unnamed) is 12 km long, and has a stream level of 0.

Map of (unnamed)

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(unnamed) flows into the sea: 12 km flows in at N 35° 46′ 44″, E 137° 58′ 10″ at OSM node n4607420699. (unnamed) has 2 distributaries.

天竜川 , which it joins at N 35° 50′ 17″, E 137° 57′ 45″ at OSM node n748560270, and 652 km of total upstream flows in.
棚沢川 , which it joins at N 35° 51′ 41″, E 137° 59′ 25″ at OSM node n748499720, and 37 km of total upstream flows in.

(unnamed) has 1 tributaries.

権現沢, which joins it at N 35° 50′ 13″, E 138° 2′ 27″ at OSM node n8693176759, and 626 m of total upstream flows in.