Alberta Provincial Highway No. 779 is a highway in the province of Alberta, Canada. It runs south-north from Highway 627 (Garden Valley Road) to Highway 37 west of Calahoo. Stony Plain is the only settlement the highway passes through. It runs on the Fifth Meridian (Range Road 10) for its entire length, which was surveyed as 114° Longitude in the Dominion Land Survey, and used by the Alberta Township System.