Longmont, Colorado

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

Top Hiking Spots in and near Longmont

  • Larimer County, Colorado

    Lake Haiyaha

    5.0
    3.64 mi / 1033 ft gain
    Begin the hike at the Bear Lake trailhead, this will be the same for any season you chose to hike to the lake. From the Bear Lake trailhead follow the Dream Lake trail for ~1.05 miles to just before Dream Lake itself. The trail is very easy to follow up to this point in all seasons. In winter the...
    Read more
  • Estes Park, Colorado

    Flattop Mountain Trail

    4.8
    8.44 mi / 2835 ft gain
    Watch the sunrise from above treeline with great views below and to the south. This is my favorite place to view the sunrise is from just above the emerald lake overlook. The Bear Lake area is very crowded, but an early morning ascent of Flattop Mountain will provide ample opportunities for solit...
    Read more
  • Estes Park, Colorado

    Dream Lake

    4.9
    1.97 mi / 463 ft gain
    Begin at the Bear Lake Trailhead, located at the end of Bear Lake Road, 9 miles from the entrance on Highway 36. Follow the signs to Dream Lake, passing Nymph Lake about halfway through. At 1.1 miles you will reach Dream Lake. The views of 12,713-foot Hallett Peak and 12,324-foot Flattop Mountain...
    Read more
  • Estes Park, Colorado

    Bear Lake to Fern Lake Trailhead

    5.0
    9.02 mi / 1224 ft gain
    On this Rocky Mountain hike you’ll explore 4 picturesque mountain lakes and a 60 foot waterfall. Completing this hike requires familiarizing yourself with Rocky Mountain National Park’s free shuttle system. Hikes along Bear Lake Road are some of the busiest in the park. Trailhead parking lots fi...
    Read more
  • Estes Park, Colorado

    Ptarmigan Lake via Bear Lake Trailhead

    11.33 mi / 3839 ft gain
    The hike to Ptarmigan Lake has plenty of elevation gain for mountain lovers and views for miles from the Continental Divide. If you want to reach this spot for sunrise you'll need a very early start in the morning, but that also means you won't have to use the shuttle system to Bear Lake. The las...
    Read more
  • Estes Park, Colorado

    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...
    Read more
  • Estes Park, Colorado

    Flattop Mountain and Hallett Peak

    4.4
    9.73 mi / 3173 ft gain
    Hike up to two very tall Rocky Mountain National Park summits. Along the route, you'll see wildlife and abundant wildflowers as well as views of Keyhole Route and Longs Peak. Arrive at the Bear Lake Trailhead. Follow abundant signage toward Flattop Mountain. Once you arrive at the summit of Flat...
    Read more
  • 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...
    Read more
  • Estes Park, Colorado

    Climb Notchtop Mountain in Rocky Mountain National Park

    5.0
    3.5 mi / 1550 ft gain
    Park at Bear Lake, and follow the signs north of the lake to Odessa Lake. However, do NOT go all the way to Odessa Lake; after about 3 miles, when Notchtop is in full view, the trail begins to descend to Odessa Lake. Find an unmarked spur trail to the left which leads to shallow Lake Helene, then...
    Read more
  • 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...
    Read more
  • 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...
    Read more
  • Denver, Colorado

    Westerly Creek Trail

    4.7
    The Westerly Creek Trail is a scenic, multi-use urban trail that winds through the heart of Denver’s Central Park (formerly Stapleton) neighborhood. Stretching for several miles, the trail follows Westerly Creek as it flows through greenbelts, parks, and wetlands, offering a peaceful escape for...
    Read more
  • Estes Park, Colorado

    Camp at Aspenglen Campground

    5.0
    Aspenglen is one of the four main campgrounds within the park boundaries. The campground is for car camping and there are areas just for tents and then broader areas for tents and campers. There are 53 sites at this campground and it fills up quickly each year. Reservations are available six mont...
    Read more
  • Nederland, Colorado

    Upper Diamond Lake via Fourth of July Trailhead

    4.8
    8.12 mi / 2037 ft gain
    The trail begins at the 4th of July trailhead, which is located near the Eldora ski area and can be crowded during the summer and weekends. The road is rough in places but passable by any car when dry. From the parking area begin hiking the Arapaho pass trail, which will gently gain elevation thr...
    Read more
  • Nederland, Colorado

    Hike to Diamond Lake in the Indian Peaks Wilderness

    5.0
    5.7 mi / 1361 ft gain
    Diamond Lake is located in the Indian Peaks Wilderness. This is a super popular destination, so make sure you arrive early to get a parking spot (and be sure to follow all parking rules, they do give out tickets at this trailhead and others nearby). The drive to the trailhead is about 4 miles dow...
    Read more
  • Nederland, Colorado

    Hike the Arapaho Traverse

    8.3 mi / 3500 ft gain
    Begin at the Fourth of July Trailhead.  Day parking is free and overnight parking is $5.  Fourth of July is a popular trailhead and to ensure parking, you should arrive early in the morning (6am-ish... cause, I mean, you gotta 7 hour day in front of you). Follow the Fourth of July trail from the ...
    Read more