3
riders
05:15
52.2km
1,200m
Mountain biking
Experience the Lost Lake Loop, a difficult 32.5-mile mountain biking trail in Alaska's Chugach National Forest with stunning views.
Last updated: February 26, 2026
Tips
Includes a very steep uphill segment
You may need to push your bike.
After 306 m for 135 m
Waypoints
Start point
Parking
Get Directions
2.65 km
Highlight • Trail
Tip by
10.2 km
Highlight • Lake
Tip by
12.8 km
Highlight • Lake
Tip by
33.8 km
Highlight • Parking
Tip by
35.0 km
Highlight • Trail
Tip by
52.2 km
End point
Parking
Way Types & Surfaces
Way Types
45.8 km
2.98 km
1.52 km
1.47 km
499 m
< 100 m
Surfaces
45.9 km
3.44 km
1.48 km
1.34 km
< 100 m
< 100 m
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Elevation
Highest point (670 m)
Lowest point (40 m)
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Weather
Powered by Foreca
Today
Wednesday 5 August
13°C
11°C
77 %
Additional weather tips
Max wind speed: 13.0 km/h
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This route was planned by komoot.
The Lost Lake Loop is often ridden as a point-to-point route, requiring a car shuttle. You can start from either the Meridian Trailhead or the Bear Lake Trailhead. Parking is available at both trailheads. The climb from the Seward side (often associated with the Bear Lake Trailhead) is generally considered more rideable for mountain bikers than starting from the Primrose side, which can involve more hike-a-bike sections.
No, this trail is not suitable for beginners. It's considered an intermediate trail with a fairly high technical rating due to rough and rocky sections, significant roots, and substantial elevation changes. The route involves nearly 3,000 feet of elevation gain and loss over its 14-mile length, with 1,800 feet of climbing in just 6 miles.
You'll encounter diverse terrain, including a steady uphill climb from the Seward side with technical sections featuring roots and rocks. Some parts are wide singletrack, while others narrow and skirt rocky hillsides and shale-laden cliffs. You might even pass a shallow waterfall. While the lower sections can be rough, the trail becomes smoother higher up as it traverses alpine meadows.
The best time to ride this trail is typically during the summer months, from late June through early September, when the snow has melted and conditions are generally drier. Always check local trail conditions and weather forecasts before you go, as Alaska's weather can be unpredictable.
Yes, dogs are generally allowed on the Lost Lake Loop. However, it's crucial to keep them on a leash and practice Leave No Trace principles, including packing out all waste. Given that this is bear country, keeping your dog leashed is also important for their safety and to avoid disturbing wildlife.
The Lost Lake Loop is located within the Chugach National Forest. Generally, there are no specific permits required for day-use mountain biking on this trail, nor are there entrance fees for the National Forest itself. However, always check the latest regulations with the Chugach National Forest service before your trip, as rules can change.
The trail is renowned for its 'unreal views.' You'll be treated to panoramic vistas of Resurrection Bay, Lost Lake, Kenai Lake, the Kenai Range, Seward, and the glaciers of the Harding Icefield. The route winds through dense forested canyons, alder thickets, tundra, and spruce stands, offering 360-degree mountain views.
Yes, the route also passes through sections of the Iditarod National Historic Trail, Meridian Lakes Trail, and Primrose Trail. These intersections offer opportunities to explore further or customize your ride.
This area is bear country, so it's important to make noise while riding to avoid surprising them. You might also spot other Alaskan wildlife such as moose, various bird species, and smaller mammals. Always maintain a safe distance and never feed wildlife.
Key highlights along the route include the scenic Lost Lake Trail itself, with its stunning views of Lost Lake — south end and Lost Lake — north end. The journey offers continuous breathtaking vistas of the surrounding mountains and bays.
Given the trail's remote nature and technical difficulty, you should bring plenty of water, snacks, bear spray, a first-aid kit, navigation tools (like a GPS device or the komoot app), a bike repair kit, and extra layers of clothing for changing weather conditions. Always inform someone of your plans before heading out.
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