(unnamed)

(unnamed) is 2 km long, and has a stream level of 0.

Map of (unnamed)

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(unnamed) flows into the sea: 36 km flows in at N 35° 46′ 25″, E 139° 0′ 1″ at OSM node n702549382.

(unnamed) has 1 tributaries.

小菅川, which joins it at N 35° 45′ 39″, E 138° 59′ 19″ at OSM node n517367900, and 34 km of total upstream flows in.