LocationAlberta Primary outflowsMurray Lake Max. length9.9 km (6.2 mi) Surface elevation794 m Mean depth3.6 m Width2.3 km Number of islands0
Primary inflowsStafford Reservoir Basin countriesCanada Max. width2.3 km (1.4 mi) Area10.7 km² Length9.9 km ProvinceAlberta
Rattlesnake Lake, also known as Sauder Reservoir, is a manmade lake in southern Alberta, Canada. It is located approximately 23 km (14 mi) northwest of Seven Persons and 29 km (18 mi) west of Medicine Hat.