Outbound Collective logo

Boulder, Colorado

Nestled up against the Rocky Mountains, Boulder is an adventure-lover's paradise. You can find a myriad accessible hiking trails nearby in Chautauqua Park, or venture further afield into the Indian Peaks Wilderness for hiking and backpacking on the Continental Divide. Rocky Mountain National Park is just an hour away, with opportunities for hiking, climbing, fishing and more.

Top Spots in and near Boulder

  • 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...
    Read more
  • 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.
    Read more
  • Estes Park, Colorado

    Backpack the Gorge Lakes

    11.5 mi / 3200 ft gain
    Start at the Rock Cut Parking Area. Head east on Trail Ridge Road 0.25 miles to a more gradual and bald western slope leading down into Forest Canyon. This bald is located between two creeks which merge before joining the Big Thompson River (a small creek in mid September). Use the creeks to navi...
    Read more
  • Fort Collins, Colorado

    "The A" via the Foothills Trail

    5.0
    4.14 mi / 531 ft gain
    Why is there an A on the side of the mountain?  The "A" stands for Aggies. When Colorado State University was first founded in 1870, it was originally called Colorado Agricultural College. The mascot at the time was The Aggies. Though the college has now become Colorado State and its mascot, The...
    Read more
  • Grand Lake, Colorado

    Snowshoe to Rowley Homestead at Snow Mountain Ranch

    3.0
    3 mi / 100 ft gain
    At Snow Mountain Ranch, you can strap on the snowshoes and heading to an old homestead on the ranch. It is about 3 mile round trip adventure.You snowshoe through the woods and by some of the cabins at Camp Chief Ouray. On the trail, check out the aspen trees. You can see the markings where the e...
    Read more
  • Grand Lake, Colorado

    Camp at Stillwater Pass

    4.6
    Some of my best nights in Colorado were spent in Stillwater Pass. There are numerous campsites with remade fire pits. I found this site when the Timber Creek Campground in Rocky Mountain National Park was full and I did not want to head back to Denver. There is a photo of a white plastic horse a...
    Read more
  • Grand Lake, Colorado

    Hike to Big Meadows and Granite Falls

    5.0
    10.3 mi
    The Green Mountain Trail is part of the Continental Divide National Scenic Trail (CDT) which is a foot path from Mexico to Canada. Big Meadows is a great place to view elk, moose, and deer. Other animals you can see in the area are abert squirrels, river otters, weasels, and black bear.Big Meadow...
    Read more
  • 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, ...
    Read more
  • Fort Collins, Colorado

    Horsetooth Reservoir North Foothills Trail

    2.64 mi / 295 ft gain
    Horsetooth Reservoir North Foothills Trail is a loop trail that takes you by a waterfall located near Fort Collins, Colorado.
    Read more
  • Evergreen, Colorado

    Mount Evans and Mount Spalding Loop

    4.3
    8.47 mi / 1706 ft gain
    Mount Evans is a simple, yet drop dead gorgeous 14er. That being said, no 14er is easy by any means. However as far as 14er's go, this is a cake walk. Coming in at a rating of class 2, there tends to be some scrambling but nothing a well balanced person can't handle. To begin this adventure, we ...
    Read more
  • Aurora, Colorado

    Walk the Cherry Creek Dog Off-Leash Area

    4.5
    3 mi
    Cherry Creek Dog-Off Leash Area is an extended part of Cherry Creek State Park and encompasses 107 acres of fenced-in play area. Within the park there is a 3 mile loop trail that takes you through the trees and along the Cherry Creek. What makes this park so great is the several access points to ...
    Read more
  • 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...
    Read more
  • Parshall, Colorado

    Butler Gulch

    4.5
    5.26 mi / 2008 ft gain
    Butler Gulch is a pristinely beautiful day hike in the heart of the Arapaho National Forest near Idaho Springs, Colorado. Easily accessible from Denver, Butler Gulch is full of jaw-dropping views in all seasons, and anyone in good health can enjoy this gem. The hike is five miles long and rated ...
    Read more
  • Parshall, Colorado

    Snowshoe Butler Gulch

    5 mi / 1500 ft gain
    In fall, winter and spring, the trail is covered in snow, which makes it ideal for backcountry skiing and snowshoeing. The trail becomes indistinguishable after the first mile or two, but usually you can follow previous skiers' tracks up the mountainside.What you miss in wildflowers or mine sight...
    Read more
  • Parshall, Colorado

    Camp at Jones Pass

    4.5
    To locate these campsites all you have to do is type in Jones Pass Road into google maps or your iPhone and it will take you straight there. There are road signs once you get off I-70 that will help you the rest of the way that say Jones Pass. Once you hit the dirt road and pass the Jones Pass Tr...
    Read more
  • 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...
    Read more