Trekking3 routes- Duration
- 4 days
- Kids
- Teen+
- Cost
- $
- Permit
- Required
- Crowd
- Steady
Trekking in the Four Pass Loop
United States
Four passes over 3,600 m in a loop round the Maroon Bells, the most photographed peaks in Colorado.
Colorado·United States

Photo: Jacob Montgomery · Wikimedia Commons (CC BY-SA 3.0)
The Colorado Trail crosses the heart of the Rockies, through the Tenmile, Sawatch and San Juan mountains, with an average elevation above 3,000 m. The Collegiate West alternative stays high above the tree line below a string of 4,000 m peaks.
In season: Jul–Sep · Peak: Aug
About a month of walking with around 27,000 m of total climbing, resupplying in mountain towns along the way. Afternoon lightning storms are the main daily hazard above the tree line.
The first section, the weekend taster from Denver
485 miles from Denver to Durango over six mountain ranges
The higher alternate through the Sawatch above treeline
Start from Waterton Canyon near Denver in early July, or walk the first segment to Kenosha Pass as a taster. Plan resupplies in towns such as Breckenridge and Leadville, and take the Collegiate West alternative in good weather.
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Four passes over 3,600 m in a loop round the Maroon Bells, the most photographed peaks in Colorado.
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