The Upper Sûre Natural Park (Luxembourgish: Naturpark Uewersauer, French: Parc Naturel de la Haute-Sûre, German: Naturpark Obersauer) is a national park in the Éislek region of north-western Luxembourg.

[1] The heart of the park is the Upper Sûre Lake, the largest area of water in Luxembourg.

It is primarily an area of conservation and a specially protected area for wild birds.

The park has been designated an Important Bird Area (IBA) by BirdLife International because it supports significant populations of hazel grouse, black storks, ospreys, European honey-buzzards and middle spotted woodpeckers.

[3] The objectives of the park are threefold: