格里姆瑟尔湖是瑞士的湖泊，位于该国西部伯恩州，面积2.63平方公里，集水区面积74.4平方公里，海拔高度1,908米，蓄水量9,500万立方米，最大水深100米。

• KWO: Lake Grimsel

The Grimselsee or Lake Grimsel is an artificial lake near the Grimsel Pass in the Canton of Berne, Switzerland. With a volume of 95 mio m³, it is larger than other hydroelectric reservoirs in the region: Oberaarsee, Räterichsbodensee and Gelmersee. The dam was completed in 1932 and is operated by Kraftwerke Oberhasli AG (KWO). It is located in the municipality of Guttannen.