The shortest, most direct route up Slide Mountain is from the Oliverea Road South (Slide Mountain Trailhead) Parking Area. Follow the yellow marked Phoenicia East Branch Trail southwest 0.7 miles to its juncture with the red-marked Burroughs Range Trail. Turn left, heading east 2.0 miles to the summit rock and Burroughs's Plaque. Total distance: 2.7 miles (5.4 miles round-trip). Elevation gain: 1,780 ft.