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Upcoming Events

Conservation – Brainard Lake - Gateway Parking
Wed, Sep 23, 2026

Conservation – Brainard Lake - Gateway Parking

Volunteer with CMC's Stewardship Trail Crew!

Red Rock Canyon Open Space
Wed, Sep 23, 2026

Hiking – Red Rock Canyon Open Space

An easy loop to stretch the legs. This is an experiment to see if this kind of hike during the week is wanted.

Rise and Grind – Boulder Open Space
Wed, Sep 23, 2026

Rise and Grind – Boulder Open Space

Goshawk Ridge Loop: Fowler Trail to Springbok Trail to Goshawk Ridge Trail, and back down to Fowler Trail. 4 miles, 750' gain.

South Mesa TH
Wed, Sep 23, 2026

Hiking – South Mesa TH - Boulder Skyline Traverse

S Bldr, Bear, Green, Flagstaff and Sanitas 18 miles and 6,000' gain, 2.0+ mph

Hiking – Caribou Ranch Open Space
Thu, Sep 24, 2026

Hiking – Caribou Ranch Open Space

Part Rewilding Ourselves/Part Aspen Peeping/Part Regular Hike. Will include a restorative nature hike to reset ,renew and reconnect. Also an opportunity to see and hike through some beautiful aspen groves, pine trees and meadows.

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.