Upcoming Boulder Group Events, Trips, and Courses

Hiking – Rise & Grind CHALLENGING Fridays, Bon Scott Trail Loop, Roosevelt National Forest
Fri, Oct 3, 2025

Hiking – Rise & Grind CHALLENGING Fridays, Bon Scott Trail Loop, Roosevelt National Forest

Hiking Trip
Rise & Grind CHALLENGING Fridays, Bon Scott Trail Loop, Roosevelt National Forest
No Prerequisites
5 participants
Registration closed Oct 2
Boulder
Christopher Murphy
Boulder Flatirons
Mon, Oct 6, 2025

Hiking – Boulder Flatirons

Hiking Trip
FULL MOON HIKE We will watch the sunset and the Hunter’s Moon rise. This year
No Prerequisites
7 participants 1 leader
Registration closes Oct 6
Bobcats Section
Pat Kelly
Mount Audubon
Fri, Oct 10, 2025

Hiking – Mount Audubon

Hiking Trip
*SUNRISE* hike
No Prerequisites
7 participants
Registration closes Oct 9
Boulder
Dorothy Kucar
Hiking – Eagle's Nest Open Space
Sat, Oct 11, 2025

Hiking – Eagle's Nest Open Space

Hiking Trip
This is a FAMILY hike intended for families with children or grandchildren age 10+. Explore
No Prerequisites
8 participants 0 leaders
Registration closes Oct 9
Northern Colorado
Aaron Dunigan AtLee
Intro to Multi-Pitch Climbing - Boulder - 2025
Sat, Oct 11, 2025 - Sun, Oct 12, 2025

Intro to Multi-Pitch Climbing

No Prerequisites
2 participants
Boulder
Sean Allison
Wilderness First Aid - Boulder - Oct 11-12, 2025
Sat, Oct 11, 2025 - Sun, Oct 12, 2025

Wilderness First Aid

No Prerequisites
10 participants
CMC State
Ashley Kramer
WFA In-person Classroom Lecture
Sat–Sun, Oct 11–12, 2025

WFA In-person Classroom Lecture – Boulder Community Health Center

Wilderness Medicine Field trip: Wilderness First Aid
This is the specific course you are registering for.
No Prerequisites
14 participants 3 instructors
CMC State
Ashley Kramer
Hiking – Grand Canyon Rim to Rim
Sun–Fri, Oct 12–17, 2025

Hiking – Grand Canyon Rim to Rim

Hiking Trip
Rim to Rim, Eat, Sleep, Repeat. Day 1 S > N via North Kaibab and
Difficulty: Difficult
No Prerequisites, Leader's Permission Required
0 participants
Boulder
Pat Kelly
Hiking – East Spanish Peak
Sun, Oct 12, 2025

Hiking – East Spanish Peak

Hiking Trip
Join me on this relatively low-altitude hike near La Veta, CO. We'll plan to meet
No Prerequisites, Leader's Permission Required
0 participants
Registration closes Oct 8
Northern Colorado
Robert Armbrester
Hiking – Rise & Grind, South Boulder Creek West, Dowdy Draw and Community Ditch Loop, Boulder OSMP
Wed, Oct 15, 2025

Hiking – Rise & Grind, South Boulder Creek West, Dowdy Draw and Community Ditch Loop, Boulder OSMP

Hiking Trip
Rise & Grind, South Boulder Creek West, Dowdy Draw and Community Ditch Loop, Boulder OSMP
No Prerequisites
13 participants
Registration closes Oct 14
Boulder
Christopher Murphy
Mount Morrison
Thu, Oct 16, 2025

Hiking – Mount Morrison

Hiking Trip
No Prerequisites
12 participants 0 leaders
Registration opens Oct 6
Boulder
Christopher Murphy
Hiking – Rise & Grind CHALLENGING Fridays, Mallory Cave and Dinosaur Mountain, Boulder OSMP
Fri, Oct 17, 2025

Hiking – Rise & Grind CHALLENGING Fridays, Mallory Cave and Dinosaur Mountain, Boulder OSMP

Hiking Trip
Rise & Grind CHALLENGING Fridays, Mallory Cave and Dinosaur Mountain, Boulder OSMP
No Prerequisites
9 participants
Registration closes Oct 16
Boulder
Christopher Murphy
Hiking – RMNP - Glacier Gorge TH - Green Lake
Fri, Oct 17, 2025

Hiking – RMNP - Glacier Gorge TH - Green Lake

Hiking Trip
This EXPLORATORY hike to Green Lake in Glacier Gorge begins on well-traveled RMNP trails, winding
No Prerequisites
9 participants on standby 0 leaders
Registration closes Oct 15
Bobcats Section
Wayne Howell
Mount Sherman
Sun, Oct 19, 2025

Hiking – Mount Sherman - The West Slopes Route

Hiking Trip
Sherman-Gemini-Dyer
No Prerequisites, Leader's Permission Required
8 participants on standby
Registration closes Oct 18
Boulder
Dorothy Kucar
Mon, Oct 20, 2025

Connecting Outdoors: Shopping & Community Night

Join us for Gear & Gather: Connecting Outdoor Enthusiasts at the Rab store on Monday. October 20! Enjoy exclusive member discounts (35% off during this event for CMC members!), connect with fellow outdoor enthusiasts, and support the Colorado Mountain Club’s commitment to making outdoor adventures accessible and enjoyable for everyone. This event is open to all—we’d love to see you there! Registration required.

Connecting Outdoors: Shopping & Community Night
Rab Denver Store – 1551 Platte St, Denver, CO 80202
1551 Platte St, Denver, CO 80202
Tue, Oct 21, 2025

CMC Leadership Meeting - Activity Standards Review

This is a follow up meeting to our meeting on Aug 19, 2025. (Generally this is a bi-monthly meeting that takes place on the third Tuesday of even months.)

CMC Leadership Meeting - Activity Standards Review
Online Teams Meeting
Twin Sisters TH
Wed, Oct 22, 2025

Ascending Hikes – Twin Sisters TH - Twin Sisters Peak

Hiking Trip
Ascending Hikes Section (AHS): a ~7.5 mile and ~2500 ft elevation gain out and back
No Prerequisites
6 participants on standby
Registration closes Oct 20
Ascending Hikes Section
Wayne Howell
Hiking – Rise & Grind, Mesa Trail via NCAR, Boulder OSMP
Wed, Oct 22, 2025

Hiking – Rise & Grind, Mesa Trail via NCAR, Boulder OSMP

Hiking Trip
Rise & Grind, Mesa Trail via NCAR, Boulder OSMP
No Prerequisites
13 participants
Registration closes Oct 21
Boulder
Christopher Murphy
Wed, Oct 22, 2025

New & Prospective Member Night

Join us in person to learn more about the Colorado Mountain Club and find your next great adventure!

CMC Basecamp
15605 W. 32nd Ave. Golden, CO, 80401
Hiking – Rise & Grind CHALLENGING Fridays, Green via Gregory Canyon, Boulder OSMP
Fri, Oct 24, 2025

Hiking – Rise & Grind CHALLENGING Fridays, Green via Gregory Canyon, Boulder OSMP

Hiking Trip
Rise & Grind CHALLENGING Fridays, Green via Gregory Canyon, Boulder OSMP
No Prerequisites
11 participants
Registration closes Oct 23
Boulder
Christopher Murphy
Sat, Oct 25, 2025

Backpacking Section (BPX) End of Season Party!

Join your fellow BPX Members for a fun evening of tales from the trails. The event will be in person at CMC Basecamp as well as Zoom. BPX Members only.

Backpacking Section (BPX) End of Season Party!
CMC Basecamp
15605 W 32nd Ave, Golden, CO 80401
Clinton Peak
Sun, Oct 26, 2025

Hiking – Clinton Peak

Hiking Trip
Lollipop loop of Clinton-Traver-McNamee
No Prerequisites, Leader's Permission Required
7 participants on standby
Registration closes Oct 25
Boulder
Dorothy Kucar
Hiking – Rise & Grind, Four Pines via NCAR and NIST, Boulder OSMP
Wed, Oct 29, 2025

Hiking – Rise & Grind, Four Pines via NCAR and NIST, Boulder OSMP

Hiking Trip
Rise & Grind, Four Pines via NCAR and NIST, Boulder OSMP
No Prerequisites
13 participants
Registration closes Oct 28
Boulder
Christopher Murphy
Hiking – Rise & Grind, October BIG FAST HIKE, Shirttail Peak
Fri, Oct 31, 2025

Hiking – Rise & Grind, October BIG FAST HIKE, Shirttail Peak

Hiking Trip
Rise & Grind, October BIG FAST HIKE, Shirttail Peak
No Prerequisites, Leader's Permission Required
8 participants
Registration closes Oct 30
Boulder
Christopher Murphy
Arapahoe Traverse
Sun, Nov 2, 2025

Scramble – Arapahoe Traverse

Hiking & Scrambling Trip
Late season hike/scramble of the South and North Arapaho
No Prerequisites, Leader's Permission Required
6 participants on standby
Registration closes Nov 1
Boulder
Dorothy Kucar
Hiking – Rise & Grind, Boulder OSMP
Wed, Nov 5, 2025

Hiking – Rise & Grind, Boulder OSMP

Hiking Trip
Rise & Grind, Boulder OSMP
No Prerequisites
14 participants
Registration closes Nov 4
Boulder
Christopher Murphy
Hiking – Rise & Grind, Boulder OSMP
Fri, Nov 7, 2025

Hiking – Rise & Grind, Boulder OSMP

Hiking Trip
Rise & Grind, Boulder OSMP
No Prerequisites
14 participants
Registration closes Nov 6
Boulder
Christopher Murphy
Mt Hope
Sun, Nov 9, 2025

Hiking – Mt Hope - Sheep Gulch Trailhead

Hiking Trip
Day hike of Centennial Mt Hope
No Prerequisites, Leader's Permission Required
10 participants
Registration closes Nov 8
Boulder
Dorothy Kucar
Hiking – Rise & Grind, Boulder OSMP
Wed, Nov 12, 2025

Hiking – Rise & Grind, Boulder OSMP

Hiking Trip
Rise & Grind, Boulder OSMP
No Prerequisites
14 participants
Registration closes Nov 11
Boulder
Christopher Murphy
Wed, Nov 12, 2025

New & Prospective Member Night

Join us in person to learn more about the Colorado Mountain Club and find your next great adventure!

CMC Basecamp
15605 W. 32nd Ave. Golden, CO, 80401