From just south of Ouray, on CO 550, turn south on the signed Yankee Boy Basin Road (Forest Service Road 853). Drive 4 miles to the trailhead. A four-wheel-drive vehicle with high clearance is required for the last mile.
Rocky Mountain Wildflowers, Peterson Field Guide, by Craighead, Craighead, and Davis (Houghton Mifflin Co., 800-225-3362; $18). The Complete Guide to Colorado’s Wilderness Areas, by John Fielder and Mark Pearson (Westcliffe Publishers, 800-523-3692; $24.95).
Ouray Ranger District, Uncompahgre National Forest, (970) 240-5300.