This article is about the commune. For the reservoir within the commune, see Upper Sûre Lake
Lac de la Haute-Sûre (Luxembourgish: Stauséigemeng), (German: Stauseegemeinde) is a commune in north-western Luxembourg. It is part of the canton of Wiltz, which is part of the district of Diekirch. The commune is named after the reservoir of the upper Sauer river. The commune's administrative centre is Bavigne.
Lac de la Haute-Sûre was formed on 1 January 1979 from the former communes of Harlange and Mecher, both in Wiltz canton. The law creating Lac de la Haute-Sûre was passed on 23 December 1978.
Towns within the commune include Bavigne, Harlange, Mecher, Kaundorf, Nothum, and Tarchamps.
Coordinates: 49°54′11″N 5°52′29″E / 49.90306°N 5.87472°E