Gunlock Reservoir is a 240-acre desert oasis located approximately 15 miles northwest of St. George in southwestern Utah at an elevation of 3,600 feet. This warm-water impoundment is nestled within the red rock landscape characteristic of the region and is managed as part of Gunlock State Park. The reservoir is fed by the Santa Clara River and is particularly notable for being designated as a blue ribbon fishery. The water typically maintains warm temperatures year-round, with excellent clarity ranging from 4-6 feet of visibility, though this can vary with seasonal runoff and water levels. The lake features diverse underwater structure including rocky points, submerged brush, ledges, and deep channels that create excellent habitat for warm-water fish species.