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Keystone, Colorado

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

Top Fitness Spots in and near Keystone

  • Boulder, Colorado

    Shanahan Ridge Trail

    4.0
    3.84 mi / 715 ft gain
    Starting on the edge of a neighborhood in South Boulder, this 3.8 mile loop begins its 869 foot elevation gain by meandering through a pine forest. You can 'choose your own adventure' by exploring the handful of trails that meet up with the Shanahan Ridge Trail, such as the South Mesa Trail, Shad...
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  • Boulder, Colorado

    Boulder's Skyline Traverse

    5.0
    14.77 mi / 4583 ft gain
    Have you ever reached the bottom of a hike with some friends and thought, 'That was nice, but I'd still like to hike more... a lot more.'? Then the Skyline Traverse is for you. Instead of hiking just Green Mountain or Bear Peak, the Skyline Traverse links South Boulder Peak, Bear Peak, Green Mou...
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  • Boulder, Colorado

    Royal Arch Trail

    4.4
    3.32 mi / 1220 ft gain
    Royal Arch Trail climbs up Boulder's famous Chautauqua Park to an archway formed by sandstone rocks that tower over thirty feet high. Start at the Chautauqua Trail Station by the Ranger Station, and continue up Bluebell Road for 0.7 miles. You will then arrive at a more forested area, where you ...
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  • Boulder, Colorado

    Hike to the 1st Flatiron

    4.6
    2.4 mi / 1422 ft gain
    Starting at the ever-popular and ever-populated Chautauqua Trailhead, take the main trail (a highway version of a dirt trail) straight towards the Flatirons. Continue going straight passed the Ski Jump trail to your right (0.2 mi.), then at a crossroads with the Bluebell-Baird trail (0.3 mi.) tur...
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  • Boulder, Colorado

    Hike the Red Rocks Loop Trail

    3.7
    1 mi
    Parking is available on either Canyon or Sunshine Roads. During the weekends it tends to get crowded around sunset so plan accordingly. The entire trail is a loop and is a little over 1 mile in length so it doesn't take too long. The main feature is the massive red sand stone rocks that jut out o...
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  • Boulder, Colorado

    Mount Sanitas Loop & Settlers Park

    4.4
    3.83 mi / 1371 ft gain
    First off, these are two different hikes but both stem from the same parking lot and Settlers Park is a mere 5 minutes away from where you park so why not kill two birds with one stone? One of the more popular hikes in Boulder, Mount Sanitas is a 3 mile hike that quickly scales nearly 1,350 feet...
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  • Boulder, Colorado

    South Boulder Creek - Mesa Trail - Lower Big Bluestem Loop

    4.0
    4.46 mi / 453 ft gain
    This 4 mile loop ascends only a slight amount in elevation, making for a pleasant loop in which opportunities for appreciation of the nature around you and broad vista photography are in plentiful supply. A great hike for those who may still be building their fitness, as so many trails in Boulder...
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  • Allenspark, Colorado

    Hike to Ouzel Falls

    4.0
    5.22 mi / 870 ft gain
    Located right outside of Rocky Mountain National Park, this hike is perfect for anyone looking to do a little exploring without the cost of a park fee. The drive through the Rocky Mountains to the trailhead is an added bonus. This hike is great because it has multiple attractions all along the wa...
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  • Allenspark, Colorado

    Ouzel & Ogallala Peaks

    17.18 mi / 4403 ft gain
    Begin at the Wild Basin Trailhead in southeastern Rocky Mountain National Park near the town of Allenspark. Plan to start before sunrise if attempting this trek as a day trip in order to avoid afternoon thunderstorms above the treeline. This trip can easily be made into a backpacking experience b...
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  • Littleton, Colorado

    Winter Hiking and Wildlife in Waterton Canyon

    3.7
    12.4 mi
    Waterton Canyon is the beginning of the Colorado Trail which stretches 500 miles from Denver to Durango. Camping is allowed on the Colorado Trail but is not allowed in the first 6 miles section of Waterton Canyon, which is managed by Denver Water. The gravel road is great for running, biking, hi...
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