Sprengel Museum is a museum of modern art in Hanover, Lower Saxony, holding one of the most significant collections of modern art in Germany. It is located in a building situated adjacent to the Masch Lake (German: Maschsee) approximately 150 metres (490 ft) south of the state museum. The museum opened in 1979, and the building, designed by Peter and Ursula Trint (of Cologne) and Dieter Quast (of Heidelberg), was extended in 1992. Bernhard Sprengel donated his extensive collection of modern art