Койка

Койка is 27 km long, and has a stream level of 2.

Map of Койка

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Койка flows into Нерль , which it joins at N 56° 41′ 37″, E 40° 17′ 58″ at OSM node n1856141581, and there 1,522 km of total upstream flows in.

Койка has 3 tributaries.

(unnamed), which joins it at N 56° 45′ 42″, E 40° 26′ 31″ at OSM node n7900633756, and 5 km of total upstream flows in.

Синдер, which joins it at N 56° 45′ 21″, E 40° 25′ 53″ at OSM node n1856143896, and 1 km of total upstream flows in.

(unnamed), which joins it at N 56° 42′ 22″, E 40° 19′ 28″ at OSM node n1856141829, and 485 m of total upstream flows in.