Yankee Boy Basin is the San Juan Mountains at full volume: a high, green valley above Ouray where waterfalls spill through fields of wildflowers beneath Mount Sneffels and a ring of jagged peaks.

The basin sits in the Uncompahgre National Forest, cradled by Potosi Peak, Teakettle Mountain, Cirque Mountain, Stony Mountain, Gilpin Mountain and Mount Sneffels, which tops 14,000 feet. Getting there is half the adventure. From Ouray, follow U.S. 550 south about 0.3 mile and turn onto County Road 361, the Camp Bird Road, which begins as graded dirt and becomes a narrow shelf road blasted into the canyon wall. Around mile 6 you pass the turnoff to the Camp Bird Mine and Imogene Pass, then the old Sneffels town site and the fork to Governor Basin before the rocky final climb into the basin.

Medium- to high-clearance vehicles are needed to reach the basin, and four-wheel drive is recommended beyond it to the Mount Sneffels trailhead. Many visitors leave the driving to one of the jeep tour companies in Ouray, which add mining history along the way. In midsummer the meadows explode with color, and hikers continue toward Mount Sneffels or over into Blue Lake Basin. Afterward, soak at the Ouray Hot Springs Pool, drive the Million Dollar Highway, or visit the Ouray Ice Park when winter arrives.

Insider tip: This is a seasonal trip. Camp Bird Road is open to highway vehicles roughly May through November, and snow often lingers into early summer and returns by fall, so call the Ouray Ranger District at 970-240-5300 for road conditions. Go early on weekdays to beat traffic, use the vault toilets in the basin, and stay on the road and trails to protect the fragile tundra.

The high-country season is closing: Camp Bird Road is listed as open to highway vehicles from May 1 to November 30, and early snow can shut the upper basin sooner. Check with the Ouray Ranger District at 970-240-5300 or the Ouray Visitor Center at (970) 325-4746 before you go, and start planning a summer 2027 wildflower trip now. More info: fs.usda.gov.