Susitna River

Susitna River
Susitna River in Southcentral Alaska
Location of the mouth of the Susitna River in Alaska
Location
CountryUnited States
Physical characteristics
Source 
  coordinates63°26′10″N 147°11′55″W / 63.43611°N 147.19861°W / 63.43611; -147.19861 Susitna Glacier on Mount Hayes
  elevation2,500 ft (760 m)
Mouth 
  coordinates
61°16′14″N 150°34′33″W / 61.27056°N 150.57583°W / 61.27056; -150.57583 Cook Inlet of Pacific Ocean, at Matanuska-Susitna Borough, Alaska
  elevation
0 ft (0 m)
Length313 mi (504 km)
Basin size20,000 sq mi (52,000 km2)
Discharge 
  average51,000 cu ft/s (1,400 m3/s) at mouth

The Susitna River (/sˈsɪtnə/; Ahtena: Sasutna’; Tanaina: Susitnu) is a 313-mile (504 km) long river in the Southcentral Alaska. It is the 15th largest river in the United States, ranked by average discharge volume at its mouth. The river stretches from the Susitna Glacier to Cook Inlet's Knik Arm.