McKenzie Ranch Coordinates: 32.022620, -110.570059 Directions to TH: From Exit 281 (SR 83 South): At the top of the exit ramp, turn left over I-10, turn right onto Marsh Station Road. Pass the Gabe Zimmerman Trailhead (3 miles) and proceed to Red Hill Ranch Road (another 4.7 miles). There is a red painted rock at the turn. Turn left and head North across the railroad tracks (CAUTION!), bear left to stay on Red Hill Ranch Rd. after the cattle guard. TH is 1000ft up on right. It is a total of 1.7 miles from Marsh Station Rd. to the trailhead.