Первая
Первая is 13 km long, and has a stream level of 4.
Map of Первая
This area:
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osm.org Distributaries / Outflows
Первая flows into Тридцатая
, which it joins at
N 60° 27′ 25″, E 84° 15′ 43″
at OSM node
n9419043449,
and there 38 km of total upstream flows in.
Tributaries
Первая has 0 tributaries.