Help keep our trails and parks open during COVID-19 by committing to social distancing. Some trails or park services may be closed this weekend so check with local authorities before heading out.
Learn more

Best trails in Colorado

484,794 Reviews
Trying to find the best Colorado trails? AllTrails has 4,043 great hiking trails, trail running trails, mountain biking trails and more, with hand-curated trail maps and driving directions as well as detailed reviews and photos from hikers, campers, and nature lovers like you. Whether you're looking for the best trails in Rocky Mountain National Park or around Colorado Springs, Boulder or Estes Park we've got you covered. If you're looking for great Colorado state park trails, check out Eldorado Canyon State Park. Or for some great local park options, check out Boulder Open Space near Boulder or Genesee Park near Golden. Ready for some activity? There are 1,902 moderate trails in Colorado ranging from 0.6 to 234.1 miles and from 4,258 to 14,251 feet above sea level. Start checking them out and you'll be out on the trail in no time!
Show more
Map of trails in Colorado
Top trails (4043)
#1 - Emerald Lake Trail
Rocky Mountain National Park
moderateYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarGray Star(4589)
Length: 3.1 mi • Est. 1 h 44 m
Reservations to enter the park will go on sale through Recreation.gov at 8 a.m. Mountain Time on Thursday, May 28. Reservations will be available to enter the park from June 4 through July 31. The nexShow more
#2 - Royal Arch Trail
Boulder Open Space
hardYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarGray Star(4668)
Length: 4 mi • Est. 2 h 37 m
Start on Chautauqua Trail by the ranger station. After crossing a grassy meadow, you enter a pine forest. Start paying attention to signs for Royal Arch as a number of other trails branch off. You knoShow more
#3 - Chavez and Beaver Brook Trail Loop
Genesee Park
moderateYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarGray Star(6238)
Length: 5.1 mi • Est. 2 h 48 m
This trail features a nice mix of elevation change as well as a creek for more than half of the loop. It's especially great during summer time, as you can take a swim along the way.Show more
#4 - Sky Pond via Glacier Gorge Trail
Rocky Mountain National Park
hardYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow Star(1870)
Length: 9.5 mi • Est. 4 h 49 m
Note: parking at the trailhead is limited and it quickly gets crowded. Reservations to enter the park will go on sale through Recreation.gov at 8 a.m. Mountain Time on Thursday, May 28. ReservationsShow more
#5 - Mount Bierstadt Trail
Mount Evans Wilderness
hardYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarGray Star(3413)
Length: 6.8 mi • Est. 4 h 35 m
The trail is almost entirely in the Mount Evans Wilderness and it is listed as one of the Colorado's iconic 14er. No mountain bikes are allowed in the Wilderness. Stay on the trail to avoid trampling Show more
#6 - Hanging Lake Trail
White River National Forest
moderateYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow Star(2860)
Length: 3 mi • Est. 1 h 59 m
NOTE: You must obtain a permit to hike. There is a permit and shuttle service in place from May 1st-October 31st. There is no parking at the trailhead. Please visit the city of Glenwood Springs websitShow more
#7 - Saint Mary's Glacier
Arapaho National Forest
moderateYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarGray Star(2876)
Length: 1.9 mi • Est. 1 h 19 m
$5 parking fee, cash only Fantastic views for the effort. The trail up is mostly rocks but not terribly difficult. Great short hike with high payoff. Some people swim at the lake.Show more
#8 - Quandary Peak Trail
White River National Forest
hardYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarGray Star(2915)
Length: 7.5 mi • Est. 4 h 57 m
Note this is a difficult, but rewarding hike. Please prepare before embarking on this hike to the peak which is at 14,265 ft elevation. Though challenging, this is a popular and doable, heavily traffiShow more
#9 - Lost Lake via Hessie Trail
Roosevelt National Forest
moderateYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarGray Star(2398)
Length: 4.4 mi • Est. 1 h 37 m
Note: Due to bear activity, this area may be closed to camping from the Hessie Trailhead near Nederland to the Indian Peaks Wilderness Area boundary. There is a shuttle that runs between Nederland HiShow more
#10 - The Loch Lake Trail via Glacier Gorge Trail
Rocky Mountain National Park
moderateYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow Star(1590)
Length: 5.4 mi • Est. 2 h 54 m
Reservations to enter the park will go on sale through Recreation.gov at 8 a.m. Mountain Time on Thursday, May 28. Reservations will be available to enter the park from June 4 through July 31. The nexShow more
Showing results 1 - 10 of 4043