Onkamaanjoki

Onkamaanjoki is 28 km long, and has a stream level of 0.

Map of Onkamaanjoki

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Onkamaanjoki flows into the sea: 35 km flows in at N 60° 37′ 4″, E 27° 38′ 42″ at OSM node n370602309.

Onkamaanjoki has 2 tributaries.

(unnamed), which joins it at N 60° 40′ 52″, E 27° 25′ 45″ at OSM node n10133030030, and 4 km of total upstream flows in.

(unnamed), which joins it at N 60° 37′ 32″, E 27° 37′ 11″ at OSM node n370602277, and 3 km of total upstream flows in.