Guided walks, group hikes, and volunteer trail days.
Friends of the Dillon Ranger District
Weekly · Sundays · summer through early Sept
Copper Mountain (American Eagle lift)
A free, family-friendly Sunday hike at Copper Mountain — chairlift ride up, then a naturalist-led walk to the alpine rock garden. Spanish interpretation offered.
Friends of the Dillon Ranger District
35+ projects · 9am starts · June–Sept
Varies by project (sent after registration)
Trail-maintenance days across the White River National Forest — no experience required, all ages welcome (kids supervised), most run 9am to noon. A free annual waiver and registration are encouraged; walk-ins accepted.
Weekly · Monday mornings · July–Sept
Conversational-pace hikes for the 50-plus club. Sources differ on the weekday — confirm before going. Dues apply.
Weekly · Friday mornings · summer
Slow, flower-stopping walks under two miles, with lunch after. Confirm the start time; dues apply.
Breckenridge Open Space & Trails
Scheduled dates · mostly 10am · summer–early fall
Rotating Breckenridge open-space trailheads
Themed guided outings — foraging, wildlife, astronomy, medicinal plants — at Cucumber Gulch, Iowa Hill, the Peaks Trail and Carter Park. Individually scheduled, most starting at 10:00am. Register through the town; hikes can be canceled for weather or air quality.
Colorado Mountain Club — Gore Range Group
Member-led trips — see calendar · year-round
Varies by trip
Member-led trips — hiking, backpacking, climbing, backcountry and nordic skiing, snowshoeing and hut trips — posted on the group’s own calendar. CMC membership is required; trips are announced by email and an occasional newsletter rather than on a set schedule.
Eagle Summit Wilderness Alliance
Summer trail crews & ranger patrols · seasonal
Eagles Nest / Ptarmigan Peak Wilderness trailheads
Volunteer sawyers, wilderness rangers and trail projects across the Eagles Nest and Ptarmigan Peak wilderness areas. Work days are posted individually rather than on a fixed weekly cadence — the 2026 season included a four-part Summit County Trail Maintenance Day series and overnight llama-supported trips.