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Best trails in San Isabel National Forest

6245 Reviews
Looking for a great trail in San Isabel National Forest, Colorado? AllTrails has 147 great hiking trails, 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. Ready for some activity? There are 73 moderate trails in San Isabel National Forest ranging from 1.2 to 93.4 miles and from 6,906 to 13,510 feet above sea level. Start checking them out and you'll be out on the trail in no time!
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Map of trails in San Isabel National Forest
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Top trails (147)
#1 - Browns Creek Waterfall Trail
San Isabel National Forest
moderateYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarGray Star(603)
Length: 6.2 mi • Est. 3 h 8 m
This is a very fun hike to a spectacular waterfall. The hike has plenty of variety that will keep your interest including meadows, pine, and aspen forest. You will be treated to many views of Mt AnteShow more
#2 - Timberline Lake Trail
San Isabel National Forest
moderateYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarGray Star(299)
Length: 5.5 mi • Est. 2 h 50 m
Hike can be made shorter by not going all the way around the lake. Wear shoes you don't mind getting wet. Show more
#3 - Mount Princeton Trail
San Isabel National Forest
hardYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarGray StarGray Star(317)
Length: 6.8 mi • Est. 4 h 59 m
The route shown on this page has the hiker starting at a parking area up a 4WD road. During winter this road is closed, and hikers must start at a parking area near the Young Life Center. Please bewarShow more
#4 - Ptarmigan Lake Trail
San Isabel National Forest
moderateYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarGray Star(224)
Length: 6 mi • Est. 3 h 25 m
Please note: As of 5/19/20, CR-306 is closed about 1/10 mi above Denny Creek trailhead because of snow. This is about 2 miles short of Ptarmigan Lake trailhead. Please note the road leading up to theShow more
#5 - Humboldt Peak Trail
San Isabel National Forest
hardYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarGray Star(138)
Length: 10.7 mi • Est. 7 h 10 m
This 14er has unbelievable views of alpine lakes and the neighboring Crestone Needles. This is a beautiful overnight of just over 10 miles with amazing views of the neighboring Crestone Needles whichShow more
#6 - Mount Elbert East Ridge Trail
San Isabel National Forest
hardYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarGray Star(235)
Length: 12.3 mi • Est. 8 h 16 m
Please note: the first half of this trail is reportedly closed for restoration, making this an out-and-back trail. The highest peak in Colorado. The east ridge can be accessed from Leadville CO. BeauShow more
#7 - Mount Shavano and Tabeguache Peak
San Isabel National Forest
hardYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarGray Star(201)
Length: 9.8 mi • Est. 7 h 30 m
Mount Shavano and Tabeguache Peak is a 9.8 mile heavily trafficked out and back trail located near Nathrop, Colorado that features beautiful wild flowers and is rated as difficult. The trail offers a Show more
#8 - Hagerman Tunnel Trail
San Isabel National Forest
moderateYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarGray Star(144)
Length: 6.1 mi • Est. 2 h 55 m
The trail is an old railroad bed with some double track, but mostly single track with some railroad cuts that have collapsed and rotted away making portions of the trail more challenging.Show more
#9 - Waterdog Lakes Trail
San Isabel National Forest
moderateYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarGray Star(186)
Length: 3.2 mi • Est. 1 h 17 m
Some sites list this trail as easy, but it is very rocky and steep in some places, plus being above 10,000 ft to the tree line. Definitely not a stroll through Garden of the Gods. You will encounter aShow more
#10 - Harvard Lakes Trail
San Isabel National Forest
moderateYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarYellow StarGray StarGray Star(228)
Length: 5.4 mi • Est. 3 h 13 m
Two small beautiful lakes hidden at the base of Mt Columbia. From the trailhead go south along the old logging road. When the road takes a sharp turn right (West) you will see a path continuing southShow more
Showing results 1 - 10 of 147