科雷馬河
Ust-Srednekan () is a rural locality (a "selo") in Srednekansky District of Magadan Oblast, Russia, located on the right bank of the Kolyma River, where it is joined by its tributary the Srednekan, from Seymchan, the administrative center of the district. Population: 27 (2010 Census). Ust-Srednekan has been completely depopulated since 2011, but it has not been officially abolished.