Skwentna RiverThe Skwentna River is a river in the southwestern part of Matanuska-Susitna Borough, Alaska.HistoryTanaina Indian name reported in 1898 by Spurr, USGS, as "Skwent River."WatershedHeads at South Twin Glacier at, flows North and East to Yentna River, North of Tyonek, Alaska Cook Inlet Low.TributariesTalachulitna RiverClimatePuntilla Lake, 1858 ft, is a weather station located near the source of the Skwentna River, approximately 50 miles west of Skwentna. Puntilla has a subarctic climate.