4.7
(8590)
13,029
hikers
01:47
6.19km
160m
Hiking
Hike the easy 3.8-mile Lost-Glacier Lakes Trail in Medicine Bow-Routt National Forest, featuring alpine lakes and mountain views.
Last updated: February 26, 2026
Tips
Your route passes through a protected area
Please check local regulations for:
Waypoints
Start point
Parking
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3.09 km
Highlight • Lake
Tip by
6.19 km
End point
Parking
Way Types & Surfaces
Way Types
5.71 km
449 m
Surfaces
5.71 km
449 m
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This route was planned by komoot.
The trail offers varied terrain. You'll find gentle ascents through lush meadows and dense forests in the initial sections. As you progress, especially towards areas like the Gap Lakes, it becomes steeper with rocky sections and continuous ups and downs. The path transitions from sub-alpine forests to alpine boulder-strewn meadows, offering a diverse experience.
While a shorter 1.7-mile segment is rated as easy, the overall Lost-Glacier Lakes Trail is generally considered moderate. A longer loop incorporating the Gap Lakes, for example, is about 12 miles with a 1,640-foot elevation gain and is also rated medium difficulty. Be prepared for rocky sections and consistent elevation changes, as the trail involves considerable up and down movement.
The trail is primarily a summer and early fall destination. While generally open year-round, winter access can be challenging or impossible due to road closures. Summer offers abundant wildflowers, while fall brings vibrant colors.
The trail is renowned for its stunning natural beauty. You'll encounter pristine alpine lakes, including the Lost Lake, Gap Lakes, Brooklyn Lake, East Glacier Lake, and Sandy Lake. The landscape also features lush meadows, dense forests, rugged cliffs, and dramatic views of snow-clad mountains like Medicine Bow Peak and Browns Peak. The western portion provides excellent vistas of surrounding peaks and numerous alpine lakes.
Yes, the Lost-Glacier Lakes Trail is generally dog-friendly. However, always ensure your dog is on a leash and that you pack out all waste to preserve the natural environment and respect other hikers and wildlife.
Parking is typically available at trailheads within the Medicine Bow National Forest. Specific parking areas will depend on your chosen starting point. As for permits, generally, day-use permits are not required for hiking in the Medicine Bow-Routt National Forest, but it's always good practice to check the official forest service website for any current regulations or changes before your visit.
While there are generally no entrance fees for the Medicine Bow-Routt National Forest itself, some specific recreation sites or campgrounds might have fees. Always adhere to Leave No Trace principles, stay on marked trails, and be aware of any fire restrictions or seasonal closures. Check the official U.S. Forest Service website for the most up-to-date information.
The trail offers opportunities to spot diverse wildlife. Keep an eye out for mule deer, moose, marmots, and pikas. Birdwatching is also popular in the area. Remember to observe wildlife from a distance and never feed animals.
Yes, there are various route options. While a 1.7-mile segment is considered easy, longer loops, such as those incorporating the Gap Lakes, are available and offer a more challenging, approximately 12-mile experience. The trail involves continuous ups and downs, so even routes with seemingly low overall elevation gain can be taxing.
Yes, the route also passes through sections of the Sheep Lake Trail and Brooklyn Lake Road.
A shorter, 1.7-mile segment of the trail is rated as easy and could be suitable for families with younger children. However, the overall trail, especially longer loops, involves rocky sections and continuous elevation changes, making it more challenging. Families should assess their children's hiking experience and choose a route accordingly.