Glomma / Glåma | |
---|---|
![]() The Glomma at the Solbergfoss Hydroelectric Power Station | |
![]() Map of the Glomma River watershed | |
Etymology | Old Norse, Glaumr, from raumr: "noise," "racket" |
Location | |
Country | Norway |
Physical characteristics | |
Source | Aursund |
• location | Røros, Trøndelag, Norway |
• coordinates | 62°37′06″N 11°48′11″E / 62.61833°N 11.80306°E |
• elevation | 690 m (2,260 ft) |
Mouth | Fredrikstad |
• location | Fredrikstad, Østfold, Norway |
• coordinates | 59°13′04″N 10°55′51″E / 59.21778°N 10.93083°E |
• elevation | 0 m (0 ft) |
Length | 621 km (386 mi) |
Basin size | 42,000 km2 (16,000 sq mi) |
Discharge | |
• average | 720 m3/s (25,000 cu ft/s) |
• maximum | 4,700 m3/s (170,000 cu ft/s) |
Basin features | |
Tributaries | |
• left | Vorma |
• right | Rena |
Designation | |
Official name | Glomådeltaet |
Designated | 12 November 2010 |
Reference no. | 1954[1] |
The Glomma, or Glåma, is Norway's longest and most voluminous river. With a total length of 621 kilometres (386 miles), it has a drainage basin that covers fully 13% of Norway's surface area, all in the southern part of the country.[2]