Guided walks, group hikes, and volunteer trail days.
~12–15 member-led hikes a month, year-round, all difficulties
Varies — Loveland / Northern Colorado trailheads
The most consistent led-hike cadence in the region (since 1978), spanning easy to advanced. Requires membership, a waiver, and a small fee. Schedule is on their site/Meetup.
Colorado Mountain Club — Northern Colorado
Frequent member-led hikes, climbs & backpacks (see calendar)
Varies — Fort Collins area & beyond
Trips are rated by difficulty and require CMC membership. The group also holds bi-monthly council meetings (2nd Wednesday) at Odell’s Brewing, open to members.
Self-scheduled patrols + summer public workdays
Canyon Lakes Ranger District / Roosevelt National Forest
Members commit to six self-scheduled patrols a year (day hikes, horseback, or overnight); summer public workdays are open to non-members. Recruitment runs Jan–early Mar with May training.
Wildlands Restoration Volunteers
Single- & multi-day volunteer projects, spring–fall
Varies — Fort Collins area sites (see calendar)
Trail building/maintenance, river and wetland restoration, native planting — no experience necessary, tools and training provided. Many are weekend single-day projects; browse the VolunteerHub calendar.
City of Fort Collins Natural Areas
Free guided hikes & nature programs, June–October
Various Fort Collins natural areas
Free ranger- and naturalist-led activities in the summer/fall season; individual events vary by date — browse the Natural Areas activity calendar.
Larimer County Natural Resources
Naturalist-led guided hikes (seasonal / by request)
Horsetooth Mountain Open Space & other county parks
Naturalist-led hikes on geology, ecology, and wildlife; many are by request (2+ weeks notice). A park entrance/parking fee applies. Scheduled programs appear on the county’s Offero calendar.
~2–4 guided trips most weekends (academic year)
Departs CSU Rec Center, Fort Collins
Guided trips in rock climbing, backpacking, day hiking, snowshoeing, trail running, skiing, and ice climbing (around 60 a year), plus free weeknight skills clinics. Oriented to the CSU community; trips typically $10–$80 with gear included.