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Boulder, Colorado

Looking for the best hiking in Boulder? We've got you covered with the top trails, trips, hiking, backpacking, camping and more around Boulder. The detailed guides, photos, and reviews are all submitted by the Outbound community.

Top Hiking Spots in and near Boulder

  • Estes Park, Colorado

    Hike Flattop Hallett Andrews Loop

    5.0
    10.9 mi / 3238 ft gain
    Bear Lake to Flattop Mountain The trail starts at Bear Lake, where you get a view of Hallett Peak (12,713 ft) which will be the highpoint of your hike. After a short walk on the Bear Lake Trail, take the path to the right. After 1/2 a mile, take a trail left to the north. 1/2 a mile later, stay l...
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  • Idaho Springs, Colorado

    Snowshoe Jim Creek Trail

    5 mi / 965 ft gain
    Starting at 9,220 feet of elevation, this 5 mile out-and-back snowshoe begins its 965 foot elevation gain meandering through a quiet forest. The trail will take you through the woods for a few miles, and you can turn around whenever you like. If you're up for a challenge and have a lot of time, y...
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  • Idaho Springs, Colorado

    Squaw Mountain Fire Lookout

    4.0
    3.92 mi / 791 ft gain
    Come check out the Squaw Mountain Fire Lookout, a historic spot located in the Mount Evans Wilderness Area of Colorado, and one of the highest lookout towers in the country, at an elevation of 11,486 ft. Just a short drive from the Front Range corridor, you can hike/backpack in to this lookout ar...
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  • Estes Park, Colorado

    Lumpy Ridge to Gem Lake

    4.3
    3.12 mi / 950 ft gain
    Begin by parking at the Lumpy Ridge trailhead, which is a couple miles outside of Estes Park on McGregor Avenue. At the trailhead, there are numerous signs indicating hiking trails, climbing routes, and other information about the area. After parking start hiking on the trail to the right of the ...
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  • Idaho Springs, Colorado

    Hike Chief Mountain, CO

    4.5
    4 mi / 1100 ft gain
    Sitting at 11,709’, Chief Mountain is not one of Colorado’s highest peaks, but the views from this mountain are spectacular nonetheless and rival the views of any 14er I’ve climbed. This mountain sits along Squaw Pass Road so you get the luxury of a high trailhead for this peak.To get there, foll...
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  • Evergreen, Colorado

    Three Sisters

    4.3
    1.45 mi / 377 ft gain
    The short 1.2 mile long trail, is a family-friendly, dog-friendly trail near Evergreen. The parking lot is incredibly easy to find and there is great signage to make sure you're going the right way. From the parking lot you can follow the Three Sisters trail signs until you reach the beginning of...
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  • Evergreen, Colorado

    Boulder The Eggs on the Hidden Fawn Trail

    1.3 mi / 171 ft gain
    Looking for a place near Denver to perfect your bouldering skills? Or are you wanting to get the whole family out, but not looking for an extreme/technical hike? Which ever question best describes you, Alderfer/Three Sisters Park is the perfect place to go.This Jefferson County Open Space Park ha...
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  • Evergreen, Colorado

    Evergreen Mountain Loop

    4.7
    5.89 mi / 0 ft gain
    The way up Evergreen Mountain is actually a few different trails stitched together throughout Alderfer/Three Sisters Park. The trail connects to both parking lots in the park, so if one is full you can just start from the other one, giving you lots of options for a quick day-hike.  If you start ...
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  • Estes Park, Colorado

    Hike to Cub Lake

    5.0
    4.6 mi / 645 ft gain
    Rocky Mountain National Park showcases 355 miles of hiking trails, 6 campgrounds, and hundreds of backcountry camp sites. The cost to enter the park is $20.00 per vehicle, I recommend buying the annual National Parks Pass for $80.00. Cub Lake is an excellent trail for viewing wildlife. There ar...
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  • Estes Park, Colorado

    Backpack to Odessa Lake via Fern Lake Trailhead

    4.0
    9.65 mi / 1890 ft gain
    Odessa Lake seems to be one of the true hidden gems of Rocky Mountain National Park. Don't get me wrong, you will likely see some folks there, but it is a far cry from the other crowded Bear Lake trailhead lakes. There are two ways to reach Odessa; one, from the Bear Lake Trailhead, and the oth...
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  • Estes Park, Colorado

    Hike along Tombstone Ridge

    4.3 mi / 3250 ft gain
    Tombstone ridge can be accessed via the ute trail from two directions. The lower trail starts at upper beaver meadows and is ~4.3 miles with 3250 feet of elevation gain. It can also be accessed at the Ute trail crossing along trail ridge road, which leaves you a 1.1 mile hike with just under 300 ...
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  • Loveland, Colorado

    Climb Green Ridge in the Roosevelt National Forest

    9.8 mi / 2400 ft gain
    Green Ridge is a fantastic series of summits in the Front Range that make for excellence training hikes, but is often forgotten as it lies outside of the nearby Bobcat Ridge Natural Area and just inside of Roosevelt National Forest. The summit itself at 7,402' is fantastic, featuring a nearly 900...
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  • Loveland, Colorado

    Hike the Valley Loop Trail in the Bobcat Ridge Natural Area

    4.4 mi / 500 ft gain
    The Valley Loop Trail in the Bobcat Ridge Natural Area begins at the main entrance of the Natural Area, just off W County Road 32 C near Masonville, west of Fort Collins and the Horsetooth Reservoir.To get there take West County Road 38 E west from Fort Collins over and around the Horsetooth Rese...
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  • Loveland, Colorado

    Hike the D.R. Trail in the Bobcat Ridge Natural Area

    3.7
    6.2 mi / 1050 ft gain
    D.R. Trail, named for David Rice Pulliam who donated the land to create the Bobcat Ridge Natural Area, is a 3.1 mile spur off the Valley Loop Trail that climbs roughly 1,000' into Mahoney Park before it intersects with the Powerline and Ginny Trails. To get to the start of the trail, take the Val...
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  • Loveland, Colorado

    Hike the Powerline Trail in the Bobcat Ridge Natural Area

    3.8 mi / 1100 ft gain
    Powerline Trail is a 1.9 mile spur off the Valley Loop Trail in the Bobcat Ridge Natural Area that climbs 1,100 feet from the valley floor to Mahoney Park.To get to the start of the trail, take the Valley Loop Trail .9 miles in the Bobcat Ridge Natural Area from the main entrance of the Natural A...
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  • Estes Park, Colorado

    Hike Deer Mountain

    6.03 mi / 1200 ft gain
    Beginning in Rocky Mountain National Park near the Deer Ridge Junction (where US 34 & US 36 meet), park your car in one of the 20 spots on either side of the road. Start at the trailhead booth and head north, keeping to the right-side trail at the first intersection about a tenth of a mile fr...
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