Lake Bütgenbach is an artificial lake created by the damming of the Warche river in 1932. It is located near the village of Bütgenbach in Ardennes, Belgium. The lake is not far from the border of Germany.
It is a popular tourist attraction, with water sports, including kayaking and windsurfing.
Coordinates 50°25'43.589" N 6°13'29.242" E