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Upcoming Events

Stewart Peak
Sun, Sep 20, 2026

Hiking – Stewart Peak via North Slopes

Stewart Peak day hike

Silvershield TH
Sun, Sep 20, 2026

Hiking – Silvershield TH - Dinosaur Tracks

Out and back to Dino Tracks

Sun, Sep 20, 2026

Hiking – Heizer Trail

Heizer to Barr Trail

Sun, Sep 20, 2026

Green Mountain Hike (Aspen side of the Collegiate Peaks Wilderness)

Explore this 5.0-mile out-and-back trail near Aspen, Colorado. Generally considered a challenging route, it takes an average of 2 h 59 min to complete. This trail is great for hiking, and it's unlikely you'll encounter many other people while exploring.

Hiking – Spruce Mountain Trail
Sun, Sep 20, 2026

Hiking – Spruce Mountain Trail

A PPG WTS - Wilderness Fundamentals Class day hike to further explore the 10 essentials, Gear, Leave No Trace, Trip Planning, Trail Courtesy, What to Do When Things Go Wrong, Group Dynamics, and Safety.

Updates from the Blog

September Updates from the CMC Conservation Crew

September Updates from the CMC Conservation Crew

Conservation Coordinator Joey Lancia shares updates from the seasonal Colorado Mountain Club Conservation Stewardship Crew.
Help Protect the Places We Love and Recreate

Help Protect the Places We Love and Recreate

Our public lands, both in Colorado and nationwide, need your voice right now.
How to Use Alpine Trail Runs to Train for Autumn Trail Races

How to Use Alpine Trail Runs to Train for Autumn Trail Races

As autumn approaches and trail race season gets underway, Annalise Grueter explores how alpine trail running and hiking at higher elevations can support your training. She shares her perspective on altitude, the benefits of training in Colorado’s high country, and several routes worth visiting this fall.