Beginning at O'Leary Mountain Trail #3321 near O'Leary / Castle Rock Trailhead, Castle Rock Trail #3506 heads northeast along the base of Macduff Mountain. The trail passes through an old mixed conifer forest, crossing Cougar Creek and continuing northeast to Forest Road 480. The trail crosses the road and sidehills west up the southeast side of Castle Rock. The trail switches back, continuing a steep uphill grade to its terminus at a scenic viewpoint at the top of Castle Rock.
At a Glance
4/8/2016: Trail is open and logged out. No stock turnaround at trailhead.