Upcoming Boulder Group Events, Trips, and Courses

Horsetooth Mountain Open Space
Mon, Oct 19, 2026

Ascending Hikes – Horsetooth Rock

Hiking Trip
A ~6 mile hike to Horsetooth Rock in Horsetooth Mountain Open Space. We'll leave from
No Prerequisites
1 participant 0 leaders
Registration closes Oct 18
Northern Colorado
Wayne Howell
Longmont Climbing Collective
Mon, Oct 19, 2026

Climb – Longmont Climbing Collective

Climbing Trip
Indoor Climb
No Prerequisites
0 participants
Boulder
Dorothy Kucar
Chapman Drive, Tenderfoot Trail and Ute Trail
Tue, Oct 20, 2026

Trail Run – Chapman Drive, Tenderfoot Trail and Ute Trail

Trail Running Trip
Chapman Drive *SUNRISE TRAIL RUN*
No Prerequisites
7 participants
Registration closes Oct 19
Boulder
Dorothy Kucar
Boulder Rock Club
Wed, Oct 21, 2026

Climb – Boulder Rock Club

Climbing Trip
Indoor rock climb
No Prerequisites
13 participants
Registration closes Oct 21
Boulder
Dorothy Kucar
Boulder Open Space
Wed, Oct 21, 2026

Rise and Grind – Boulder Open Space

Hiking Trip
R&G 4.25mi SBoulderCreek to Cherryvale, out&back
No Prerequisites
1 participant 1 leader
Registration closes Oct 20
Boulder
Susan Paradiso
Wed, Oct 21, 2026

Explore Night

Join us in person to learn more about the Colorado Mountain Club and discover your next great adventure. This event is open to current members, new members, and anyone interested in becoming part of our community!

Explore Night
CMC Basecamp
15605 W. 32nd Ave. Golden, CO, 80401
Boulder Canyon
Thu, Oct 22, 2026

Rock Climb – Boulder Canyon

Climbing Trip
Late afternoon / early evening at Happy Hour Crag for some top rope or trad
No Prerequisites, Leader's Permission Required
9 participants
Registration closes Oct 21
Boulder
Mike McGurkin
Ascending Hikes – Greyrock Mountain TH - Greyrock Mountain Trail
Thu, Oct 22, 2026

Ascending Hikes – Greyrock Mountain TH - Greyrock Mountain Trail

Hiking Trip
We'll hike a loop route to the summit of Greyrock Mountain. One of Larimer County’s
No Prerequisites
0 participants 0 leaders
Registration closes Oct 21
Northern Colorado
Wayne Howell
Rise and Grind – Boulder Open Space - Anemone Loop
Fri, Oct 23, 2026

Rise and Grind – Boulder Open Space - Anemone Loop

Hiking Trip
Rise&Grind 4.2mi Anemone Loop
No Prerequisites
2 participants on standby 1 leader
Registration closes Oct 22
Boulder
Susan Paradiso
Sat, Oct 24, 2026

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
Single Tall Pole Hiking – Mt Galbraith
Mon, Oct 26, 2026

Single Tall Pole Hiking – Mt Galbraith

Hiking Clinic
This clinic will cover the basic techniques for improving your efficiency ascending and descending on
No Prerequisites
4 participants
Registration closes Oct 24
Denver
Blake Clark
Boulder Rock Club
Wed, Oct 28, 2026

Climb – Boulder Rock Club

Climbing Trip
Indoor rock climb
No Prerequisites
14 participants
Registration closes Oct 28
Boulder
Dorothy Kucar
Rise and Grind – Boulder Open Space
Wed, Oct 28, 2026

Rise and Grind – Boulder Open Space

Hiking Trip
Rise&Grind: 4mi Flagstaff Trail to Amphitheater
No Prerequisites
0 participants 1 leader
Registration closes Oct 27
Boulder
Susan Paradiso
Ascending Hikes – Boulder Open Space - Royal Arch
Thu, Oct 29, 2026

Ascending Hikes – Boulder Open Space - Royal Arch

Hiking Trip
This hike to Royal Arch from Chautauqua Park in Boulder, Colorado, is a challenging ~4-mile
No Prerequisites
11 participants on standby
Registration closes Oct 27
Ascending Hikes Section
Wayne Howell
Boulder Open Space
Fri, Oct 30, 2026

Rise and Grind – Boulder Open Space

Hiking Trip
Rock Garden from Gregory Canyon TH *SUNRISE FITNESS HIKE*
No Prerequisites
4 participants
Registration closes Oct 30
Boulder
Dorothy Kucar
South Mesa TH
Sat, Oct 31, 2026

Hiking – South Mesa TH

Hiking Trip
Boulder Group's October new member hike ... the Homestad / Mesa loop out of the
No Prerequisites, Leader's Permission Required
9 participants
Registration opens Oct 25
Boulder
Mike McGurkin
Scramble – RMNP - Bear Lake TH - Hallett, Otis, Flattop Mountain
Sun, Nov 1, 2026

Scramble – RMNP - Bear Lake TH - Hallett, Otis, Flattop Mountain

Scrambling & Hiking Trip
east ridge of Otis-Hallet-Flattop loop
No Prerequisites, Leader's Permission Required
6 participants on standby 0 leaders
Registration closes Oct 31
Boulder
Dorothy Kucar
Rise and Grind – Boulder Open Space - Mount Sanitas
Wed, Nov 4, 2026

Rise and Grind – Boulder Open Space - Mount Sanitas

Hiking Trip
R&G 3.2mi Mnt Sanitas via Mnt Sanitas Trail to East Ridge to Sanitas Valley Trail
No Prerequisites
2 participants 1 leader
Registration closes Nov 3
Boulder
Susan Paradiso
Bobcats trip – Hewlett Gulch Trailhead
Thu, Nov 5, 2026

Bobcats trip – Hewlett Gulch Trailhead

Hiking Trip
THIS IS NOT THE TYPICAL HEWLETT GULCH HIKE. This EXPLORATORY hike starts from the Hewlett
No Prerequisites
3 participants on standby 0 leaders
Registration closes Nov 4
Northern Colorado
Wayne Howell
Rise and Grind – Boulder Flatirons - Chautauqua Park
Fri, Nov 6, 2026

Rise and Grind – Boulder Flatirons - Chautauqua Park

Hiking Trip
1st/2nd Flatiron Trail *SUNRISE* hike
No Prerequisites
7 participants
Registration closes Nov 6
Boulder
Dorothy Kucar
Mon, Nov 9, 2026

An Evening with the Alpine Rescue Team

A Preventative Search and Rescue (PSAR) Event. Evening session with representatives from the Alpine Rescue Team to discuss winter safety precautions.

Basecamp
15605 West 32nd Avenue Golden, CO
Tue, Nov 10, 2026

Boulder Group Social Meetup

Join us at the Rayback!

Boulder Group Social Meetup
Rayback
Tue, Nov 10, 2026

Avalanche Awareness: Learn Before You Go

Get a practical introduction to avalanche awareness with the Colorado Mountain Club and Arapahoe Libraries. Learn how to recognize winter backcountry hazards, make informed go/no-go decisions, and ask questions about staying safer in avalanche terrain.

Avalanche Awareness: Learn Before You Go
Southglenn Library
6972 S Vine St, Centennial, CO 80122
Stop the Bleed - Denver - 2026
Thu, Nov 12, 2026

Stop the Bleed

This is a comprehensive training course designed to teach individuals how to control severe bleeding

No Prerequisites
9 participants
Registration closes Nov 11
Denver
Wayne Howell
Hiking – Boulder
Sun, Nov 15, 2026

Hiking – Boulder

Hiking Trip
Walk from Boulder to Denver on bike paths
No Prerequisites, Leader's Permission Required
5 participants
Registration closed Oct 3
Boulder
Dorothy Kucar
Stop the Bleed - NoCo - 2026
Mon, Nov 16, 2026

Stop the Bleed

This is a comprehensive training course designed to teach individuals how to control severe bleeding

No Prerequisites
2 participants
Registration closes Nov 15
Northern Colorado
Wayne Howell
Wed, Nov 18, 2026

Explore Night at REI Lakewood!

Join us in person to learn more about the Colorado Mountain Club and discover your next great adventure. This event is open to current members, new members, and anyone interested in becoming part of our community!

Explore Night at REI Lakewood!
CMC Basecamp
5375 S Wadsworth Blvd, Lakewood, CO 80123
AIARE Level 1 Refresher - CMC State - 2026
Sun, Dec 6, 2026

AIARE Level 1 Refresher

The AIARE 1 Refresher is a one-day, field-based course structured around the AIARE Decision-Making Framework.

Prerequisites
6 participants
Registration closes Nov 28
CMC State
Ashley Kramer
Tue, Dec 8, 2026

Boulder Group Social Meetup

Come on out to the Rayback!

Boulder Group Social Meetup
Rayback
AIARE Avalanche Rescue - State - 2026
Fri, Dec 11, 2026

AIARE Avalanche Rescue

AIARE Avalanche Rescue is a one-day stand alone course that teaches best practices in avalanche

No Prerequisites
5 participants
Registration closes Dec 4
CMC State
Ashley Kramer