Boulder, Colorado

Looking for the best running 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 Running Spots in and near Boulder

  • Estes Park, Colorado

    Nymph Lake via Bear Lake Trailhead

    4.8
    1.13 mi / 276 ft gain
    While not as popular as Dream Lake, Nymph Lake is just as beautiful. The hike to Nymph Lake is an easy hike just over 1 mile. You start from the Bear Lake Trail head and can go further on to Dream Lake and Emerald Lake if you want to. Both Dream and Emerald Lakes are also stunning and very photog...
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  • Estes Park, Colorado

    Lumpy Ridge to Gem Lake

    4.3
    3.12 mi / 991 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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  • 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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  • 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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  • Estes Park, Colorado

    Hike Deer Mountain

    5.0
    6.03 mi / 1243 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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  • Fort Collins, Colorado

    Hike the Coyote Ridge Trail

    1.0
    3 mi / 550 ft gain
    The Coyote Ridge Natural Area is one of several Larimer County "gateway" preserves and Open Lands that lead into the Front Range of the Rocky Mountains, connecting the shrublands of the Great Plains to the Rocky Mountain themselves through a network of trails, parks, and preserves. The Coyote Rid...
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  • Evergreen, Colorado

    Maxwell Falls

    3.4
    3.95 mi / 928 ft gain
    Located just outside of Evergreen, this beginner hike is a great escape from the city for a few hours. There are three different options to hike to the falls: Maxwell Falls Lower Trail (4 miles), Upper Maxwell Falls Trail (1.1 miles), and Maxwell Falls Bluffs Cliffside Trail Loop (5 miles). On th...
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  • Estes Park, Colorado

    Hike The Mummy Kill (a.k.a. Mummy Mania)

    14.31 mi / 5125 ft gain
    Wanna kill some mummies!? Of course you do! Who doesn't? Mount Chapin: 12,454 feet; Mount Chiquita: 13,069 feet; Ypsilon Mountain: 13,514 feet; Fairchild Mountain: 13,502 feet; Hagues Peak: 13,560 feet; Mummy Mountain: 13,425 feet The Mummy Kill is the perfect all-day hike for those seasoned h...
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  • 40.407117,-105.626146

    Hike to Lawn Lake, Rocky Mountain NP

    12.9 mi / 2736 ft gain
    This 4 to 8 hour day hike leads to Lawn Lake, located inside a large basin at tree line, and surrounded by Fairchild Mountain, Hagues Peak, and Mummy Mountain. Lawn Lake is among the largest subapline lakes in Rocky Mountain National Park. As you ascend into the sub-alpine zone, you will be gree...
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  • Littleton, Colorado

    Hike the Coyote Song-Swallow Trail Loop

    3.8
    3 mi / 350 ft gain
    We all love to live our weekends to the fullest, but say you're itching for an adventure and it's midweek with the weekend still a good 3 or 4 days away? South Valley Park is the place to go if you're looking for an after-work adventure or just don't feel like driving too far from the city. A sho...
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  • Fort Collins, Colorado

    Horsetooth Rock

    4.5
    4.78 mi / 1421 ft gain
    The Horsetooth Mountain Park Open Space is located just 4 miles from Fort Collins. The 2,886 acre park offers 29 miles of hiking, biking, and horse back riding trails. Having taken both the multi use trail and the hiking only trail, I recommend the hiking only. This trail offers you the views an...
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  • Fort Collins, Colorado

    Horsetooth Falls

    4.3
    2.17 mi / 541 ft gain
    Horsetooth Mountain Park is an outdoor trail haven just minutes from downtown Ft. Collins. The 2711 acre area has 29 miles of trails of varying length and difficulty for all levels of adventurers to explore. Horsetooth Falls is one of the shortest (yet stunning) trails in the area. This hike is...
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  • Fort Collins, Colorado

    Horsetooth Falls and Horsetooth Rock Trail

    5.0
    5.97 mi / 1677 ft gain
    Horsetooth Falls and Horsetooth Rock Trail is an out-and-back trail that takes you by a waterfall located near Fort Collins, Colorado.
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  • Littleton, Colorado

    Hike or Bike Hildebrand Ranch

    4.0
    5.1 mi / 324 ft gain
    Hildebrand Ranch Park is often overshadowed by the other nearby Jeffco Parks, but for the few that it does attract the trails do not disappoint.   The Two Brands Trail starts at about 5600ft just off of Deer Creek Canyon Rd.  It is a relatively flat trail that tops out at about 5821ft making it a...
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  • Littleton, Colorado

    Hike the Meadowlark Plymouth Trail

    4.0
    6 mi / 1197 ft gain
    From the parking lot, you can take the Meadowlark trail to the west or the Plymouth Creek Trail to the southeast. It does not matter which trail you take because it ends up becoming loop. For a more gradual slope up the hill, take the Meadowlark trail. After a little more than a mile, it intersec...
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  • Windsor, Colorado

    Windsor Lake Loop Trail

    4.0
    2.28 mi / 36 ft gain
    Windsor Lake Loop Trail is a loop trail that takes you by a lake located near Windsor, Colorado.
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