Altevatnet is the largest lake in the county. It is approximately 38 kilometres (24 mi) long and about 2.5 kilometres (1.6 mi) wide. The lake is regulated by a dam on the northwestern end of the lake. The surface lies 489 metres (1,604 ft) above sea level and reaches a maximum depth of 99 metres (325 ft) below the surface of the lake.[3]
^"De største innsjøene i Norge" ["The largest lakes in Norway"] (in Norwegian). Norges vassdrags- og energidirektorat. 2009-04-01. Archived from the original on 2012-05-25. Retrieved 2012-09-19.