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Upcoming Events

Mouse Trap Loop
Fri, Sep 18, 2026

Bike – Mouse Trap Loop

This a RMOTHG Hare ride that begins at Twin Lakes Park. The ride is a loop route, easterly along Clear Creek, turn south along the South Platte River to City of Cuernavaca Park. Then head westerly on a bike path along 46th St. to Berkeley Park. From there, northerly along quiet neighborly streets to Clear Creek and easterly back to Twin Lakes Park.

BPX 3-Day: Colorado Trail - Segment 6 from the Kenosha Pass West TH
Fri–Sun, Sep 18–20, 2026

BPX Trip – BPX 3-Day: Colorado Trail - Segment 6 from the Kenosha Pass West TH

This trip is for BPX members. Feel and see the coming of fall, while enjoying the longest segment of the Colorado Trail. We'll hike three days, averaging 10 miles or so a day. Available camp areas along the way and a wonderful trail make for a fantastic way to spend three days in the embrace of Mother Nature, Always a good thing. IMO, of course.

Boulder Open Space
Fri, Sep 18, 2026

Rise and Grind – Boulder Open Space - Green Mountain

Green Mountain from Gregory Canyon TH

Fri, Sep 18, 2026 - Sun, Sep 20, 2026

2026 CMC Instructor Outing - Via Feratta

To show appreciation to our TCS volunteers, you are invited to a weekend in the San Juans for via ferrata, MTB, hike, climb, water sports, or just hanging out.

Hiking – Mount Sneffels - South Slopes
Sat, Sep 19, 2026

Hiking – Mount Sneffels - South Slopes

mount sneffels standard route, short scramble. https://www.14ers.com/route.php?route=snef1

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.