Røssvatnet

Røssvatnet (Norwegian) or Reevhtse (Southern Sami) is a lake and reservoir in the municipalities of Hattfjelldal and Hemnes in Nordland county, Norway. It has been the site of human occupation since the Stone Age. Its area of 219 square kilometres (85 sq mi) makes it the second largest lake in Norway by surface area. Without the dam which has regulated the lake since 1957, it would be 190 square kilometres (73 sq mi) and the third largest lake in Norway. Its depth is 240 metres (790 ft), its volume is estimated at 15 cubic kilometres (3.6 cu mi), and its surface elevation is 374 metres (1,227 ft) above sea level. In the southern part, its largest island is situated. Røssvassholmen, with an area of 17.39 km² (6.71 sq mi). The highest point of it, towering 206 metres above the lake's surface (at top regulation height). Røssvassholmen are Norway's second largest lake-island. The largest being; Helgøya within Mjøsa.^[2]

Røssvatnet (Norwegian) Reevhtse (Southern Sami)
Røssvatnet Location of the lake Show map of Nordland Røssvatnet Røssvatnet (Norway) Show map of Norway
Location	Hemnes and Hattfjelldal, Nordland
Coordinates	65.7253°N 13.9739°E / 65.7253; 13.9739
Type	dammed lake or reservoir
Primary inflows	Bessedørelva, Bjørkåselva, Gåsvasselva, Hanskvasselva, Jierhtejohke, Krutåga, Laukskardelva, Leirelva, Lilleelva, Raudvasselva, Speelhtejohke, Steikvasselva, Stikkelvikelva, Storelva, Sørdalselva and Tvillelva
Primary outflows	Røssåga
Catchment area	855 km2 (330 sq mi)
Basin countries	Norway
First flooded	1957
Max. length	37 km (23 mi)
Max. width	18 km (11 mi)[1]
Surface area	218.61 km2 (84.41 sq mi)
Average depth	68 metres (223 ft)[1] (66.5 m before damming)
Max. depth	240 metres (790 ft)[1] (231 m before damming)
Water volume	14.80 km3 (3.55 cu mi)[1] (12.60 km3 before damming)
Shore length1	256.37 km (159.30 mi)
Surface elevation	383 m (1,257 ft) (374 m before damming)
Islands	Røssvassholmen
References	NVE[1]
1 Shore length is not a well-defined measure.

References

1. Seppälä, Matti (2005). The Physical Geography of Fennoscandia. Oxford University Press. p. 145. ISBN 978-0-19-924590-1.
2. Store norske leksikon. "Røssvatnet" (in Norwegian). Retrieved 2011-11-16.

External links

• Media related to Røssvatnet at Wikimedia Commons
• Archeological article (in Norwegian) (URL accessed 7 April 1983)