砥歌川

砥歌川 is 5 km long, and has a stream level of 0.

Map of 砥歌川

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砥歌川 flows into the sea: 9 km flows in at N 42° 16′ 51″, E 139° 47′ 2″ at OSM node n1444494631.

砥歌川 has 3 tributaries.

学校の沢川, which joins it at N 42° 16′ 53″, E 139° 47′ 12″ at OSM node n1452778106, and 2 km of total upstream flows in.

(unnamed), which joins it at N 42° 16′ 47″, E 139° 47′ 48″ at OSM node n1452777472, and 2 km of total upstream flows in.

(unnamed), which joins it at N 42° 16′ 40″, E 139° 48′ 45″ at OSM node n1452777238, and 607 m of total upstream flows in.