Matanuska River | |
---|---|
Native name | Ch'atanhtnu (Tanaina) |
Location | |
Country | United States |
State | Alaska |
Borough | Matanuska-Susitna |
Physical characteristics | |
Source | confluence of the river's east and south forks |
• coordinates | 61°47′27″N 147°29′07″W / 61.79083°N 147.48528°W[1] |
• elevation | 2,033 ft (620 m)[2] |
Mouth | Knik Arm, Cook Inlet |
• location | 9.5 miles (15.3 km) southwest of Palmer |
• coordinates | 61°29′49″N 149°16′11″W / 61.49694°N 149.26972°W[1] |
• elevation | 0 ft (0 m)[1] |
Length | 75 mi (121 km)[3] |
Basin size | 2,100 sq mi (5,400 km2)[4] |
Discharge | |
• location | Palmer[5] |
• average | 3,875 cu ft/s (109.7 m3/s)[5] |
• minimum | 234 cu ft/s (6.6 m3/s) |
• maximum | 82,100 cu ft/s (2,320 m3/s) |
The Matanuska River (Dena'ina: Ch'atanhtnu; Ahtna: Ts'itonhna’) is a 75-mile (121 km) long river in Southcentral Alaska, United States.[3] The river drains a broad valley south of the Alaska Range eponymously known as the Matanuska Valley.[6]