Spray Lakes Reservoir is a reservoir in Alberta, Canada. The Spray Lakes were a string of lakes formed along the Spray River, a tributary of the Bow River. With the damming of the river, the lakes were united in the Spray Lakes Reservoir.
It lies between the Goat Range and the Three Sisters ridge, at an elevation of 1,720 meters (5,640 ft). The lake is followed by Highway 742 (Smith Dorrien Trail) in the northern part.