三保川

三保川 is 6 km long, and has a stream level of 0.

Map of 三保川

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三保川 flows into the sea: 22 km flows in at N 41° 5′ 0″, E 141° 14′ 32″ at OSM node n715079262.

三保川 has 3 tributaries.

平山沢川, which joins it at N 41° 4′ 38″, E 141° 16′ 13″ at OSM node n753143311, and 8 km of total upstream flows in.

北川台沢, which joins it at N 41° 4′ 4″, E 141° 17′ 14″ at OSM node n753802772, and 5 km of total upstream flows in.

南川台沢, which joins it at N 41° 4′ 4″, E 141° 17′ 14″ at OSM node n753802772, and 3 km of total upstream flows in.