Первый

This area: WaterwayMap main osm.org edit in josm JOSM isn't running... edit in josm (new layer) JOSM isn't running... edit in iD geo: url (open on mobile)

Первый flows into (unnamed) , which it joins at N 55° 3′ 51″, E 137° 57′ 41″ at OSM node n2343917410, and there 11 km of total upstream flows in. load it's distributaries

Первый has 1 tributaries.

• (unnamed), which joins it at N 55° 4′ 36″, E 137° 56′ 50″ at OSM node n2348848638, and 8 km of total upstream flows in.
load it's tributaries