| Glomma / Glåma | |
|---|---|
 The Glomma at the Solbergfoss Hydroelectric Power Station | |
 The course of the Glomma | |
| 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 |
Glomma is the longest river in Norway. It is 598 kilometres (372 miles) long. It runs from Aursund to Fredrikstad.
