Million Dollar Highway
Scenic drive · Colorado
US 550 climbs 11,018-foot Red Mountain Pass between Ouray and Silverton on cliffside switchbacks with no guardrails, part of the 236-mile San Juan Skyway loop through old mining towns and turning aspen groves in the San Juans.
Don’t miss
Peak: August 15–August 19
Color builds from August 2 · mostly bare by September 9
Method: daily ERA5 temperatures drive a photoperiod + chilling phenology model, sampled at Million Dollar Highway’s own coordinates and elevation (3392 m) rather than a regional average. Estimates, not promises — check locally before you plan a trip around it.
Million Dollar Highway on the map
More things to do in Colorado
Maroon Bells Scenic Area
ViewpointPeak September 24
Maroon Lake mirrors the Maroon Bells' twin 14,000-foot peaks framed by golden aspen groves ten miles from Aspen. Colorado's most photographed view requires a shuttle bus once the parking lot fills each fall weekend.
Don’t miss: Maroon Lake reflection · Scenic Loop Trail · Required shuttle bus in season
Kebler Pass
Scenic drivePeak September 26
Colorado Highway 12 crosses 10,007-foot Kebler Pass between Crested Butte and Paonia through the largest contiguous aspen forest in North America, a 30-mile drive, partly unpaved, that turns solid gold by late September.
Don’t miss: Largest aspen forest in North America · Connects Crested Butte and Paonia
Independence Pass
Scenic drivePeak September 11
Highway 82 crests the Continental Divide at 12,095 feet between Aspen and Twin Lakes, Colorado's highest paved through-pass, with alpine tundra and aspen-lined switchbacks that shut to long vehicles before winter snow closes the road entirely.
Don’t miss: 12,095-foot summit · Continental Divide crossing
Durango & Silverton Narrow Gauge Railroad
Scenic railwayColor nearby peaks October 2
Coal-fired steam locomotives built in the 1920s haul open-air cars 45 miles along the Animas River gorge from Durango to Silverton on track laid in 1882 for silver ore, running fall-color specials through canyon walls of turning cottonwood and aspen.
Don’t miss: 1920s steam locomotives · Animas River gorge route
Frequently asked
- When does Million Dollar Highway peak in 2026?
- Peak color is predicted for August 15–August 19 (best estimate August 17). Color starts around August 2 and is mostly bare by September 9.
- What is Million Dollar Highway best for?
- Dramatic mountain-pass driving.
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