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Boulder, Colorado

Looking for the best mountain biking 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 Mountain Biking Spots in and near Boulder

  • Evergreen, Colorado

    Hike Panorama Point at Corwina Park

    4.7
    2.7 mi / 640 ft gain
    Jefferson County, the "Gateway to the Rockies" has dozens of great parks and trails. One of the best, however, is often overlooked, as it is sandwiched between bigger and more popular parks. Corwina Park is a small section located off Hwy. 74, near the village of Kittredge. Sitting between the po...
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  • Idaho Springs, Colorado

    Chinns Lake Trail

    4.0
    2.7 mi / 741 ft gain
    Chinns Lake Trail is an out-and-back trail that takes you by a lake located near Idaho Springs, Colorado.
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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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  • 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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  • Grand Lake, Colorado

    Doe Creek Trail

    7.13 mi / 1617 ft gain
    Doe Creek Trail is a loop trail that takes you by a lake located near Granby, Colorado.
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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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  • 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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  • Idaho Springs, Colorado

    ATV Leavenworth Creek Road (Guanella Pass)

    16.6 mi / 3655 ft gain
    September is famous in Colorado for clear, deep blue skies,sublimely perfect temperatures, and gold-digging – of the leaf variety, thatis. On September 9, wildflower season was recently past and the best of theleaves were yet to come, but it was the perfect, clear and sunny day to checkout the hi...
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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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  • Silver Plume, Colorado

    Argentine Railroad Grade

    5.0
    5.35 mi / 863 ft gain
    The Argentine Central Railroad Grade trail is just what it says: it follows the old rail bed of the Argentine Central line. All railway remnants have long since been removed, and in its place is a wide, well-defined trail with an easy grade. With just a 900-foot incline over the course of about t...
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  • Fort Collins, Colorado

    Hike Arthur's Rock in Lory State Park

    4.8
    3.7 mi / 1150 ft gain
    The climb to the summit of Arthur's Rock in Lory State Park provides relative isolation and solitude just 30 minutes from downtown Fort Collins along with great hiking, trail running, mountain biking, rock climbing, and horseback riding.Arthur's Rock Trail is the most direct route to the summit, ...
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  • Parshall, Colorado

    Ski or Snowshoe Jones Pass

    4.0
    6 mi / 1600 ft gain
    Its sister trail, Butler Gulch, is an all-time favorite hike (both summer and winter), and since they share a trailhead, I knew Jones Pass would be special as well.Jones Pass is not the type of trail I normally take, since it is actually a 4x4 road that is used for Jeeping in the summer and snowm...
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  • Fraser, Colorado

    Summit Byers Peak

    8.8 mi / 2774 ft gain
    The drive to the start of the trail is okay, having a high clearance vehicle would make the drive easier, but is not necessary.  Free parking is available along the side of the road.The trail starts on a closed service road at a gate and requires you to either hike or bike up the dirt road (2 mil...
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  • Fort Collins, Colorado

    Mountain Bike Reservoir Ridge

    2.3 mi / 216 ft gain
    Summary One of my favorite post-work rides in Fort Collins, Colorado is a short but challenging loop along Reservoir Ridge. The scenery is incredible and includes water, mountains, a great trail system, and a spattering of intermediate, rocky sections. This is a solid loop to get your heart rate ...
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  • Fort Collins, Colorado

    Hike the North Loop via Foothills Trail

    5.0
    6.5 mi / 700 ft gain
    Despite its singular name, the Foothills Trail in Fort Collins is an interconnected series of trails that follows the ridges and hogsbacks which comprise the majority of the eastern side of the Horsetooth Reservoir. The trail can be accessed at several points along its length (by trails also call...
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  • Fort Collins, Colorado

    Fat Tire Bike the Foothills Trail

    5.0
    8.5 mi / 1000 ft gain
    The Reservoir Ridge and Foothills trail system around Horsetooth Reservoir and Fort Collins is excellent for mountain biking, trail running, and hiking. During the winter it is particularly great for fat tire mountain biking, and the Foothills Trail is one of the best. The trail itself is roughly...
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