Halloween at the gym: anyone who comes to climb in a family-friendly costume gets a free day pass (promo code BOO when booking online).
As Loveland Climbing Collective announced it. Plans change, so check with the wall before you go. Something wrong? Let us know.
A one-night Halloween session with the lights turned down: bring your own headlamp and climb in the dark. Costumes encouraged.
Genesis Health Clubs Miramont North, Fort Collins, Colorado, United States21 km away
The club's autumn festival with games, treats and activities, and same-day climbing and CrossFit competitions in the gym.

$20 to $35
Colorado State University Student Recreation Center Climbing Wall, Fort Collins, Colorado, United States20 km away
CSU Campus Rec's autumn bouldering competition for climbers of every level, run in three sessions with a live DJ; entry includes a t-shirt, a day pass to a local climbing gym and a prize draw. For Rec Center members; register on the Campus Rec portal.

Free for Campus Rec members
University of Northern Colorado Climbing Wall, Greeley, Colorado, United States30 km away
An evening of climbing in fancy dress at the Rec Center wall, with a costume contest, prizes and early trick-or-treating. A costume closet is on hand for anyone without one.

Whetstone Climbing, Fort Collins, Colorado, United States12 km away
Halloween climbing with the lights out and headlamps on. Book through the gym's events page.

Free
Greeley Recreation Center, Greeley, Colorado, United States31 km away
A Halloween afternoon on the Rec Center climbing wall: climb to the top to collect a treat.

$9 day pass, rentals not included
Greeley Climbing Collective, Greeley, Colorado, United States31 km away
A monthly evening for the LGBTQ+ climbing community and friends: come to try climbing for the first time, work on projects or just meet people.
