Покостах

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Покостах flows into Правый Ыллымах , which it joins at N 58° 19′ 18″, E 126° 17′ 18″ at OSM node n4798190155, and there 125 km of total upstream flows in. load it's distributaries

Покостах has 1 tributaries.

• (unnamed), which joins it at N 58° 16′ 19″, E 126° 20′ 9″ at OSM node n4798187474, and 7 km of total upstream flows in.
load it's tributaries