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Mountain biking trails

Lost Lake Loop

Hard

3

riders

Lost Lake Loop

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

A

Start point

Parking

Get Directions

1

2.65 km

Lost Lake Trail

Highlight • Trail

The trail starts very hard during the climbing but when you are at the first lake become smoother

Tip by

2

10.2 km

Lost Lake — south end

Highlight • Lake

Lost Lake is a glimmering blue giant inlaid on the tundra. Most mountain bikers will approach it from the south end, as that provides the most rideable ascent. From this …

Tip by

3

12.8 km

Lost Lake — north end

Highlight • Lake

Most bikers ride this trail south to north, due to a more rideable ascent in that direction. However, if you've bucked that trend you'll still encounter Lost Lake as a …

Tip by

4

33.8 km

Meridian Trailhead

Highlight • Parking

The Meridian Trailhead offers access to the Meridian Lakes Trail, which in turn can be connected with the famous Lost Lake Trail. This trailhead is a great place to park …

Tip by

5

35.0 km

Bear Lake Trailhead

Highlight • Trail

You can bike the Bear Lake trail from here to Seward as a one-way or round-trip adventure; there is limited parking available here.

For a longer adventure, start your mountain-biking …

Tip by

B

52.2 km

End point

Parking

Loading

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

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

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

to get more detailed weather forecasts along your route

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Frequently Asked Questions

What is the best way to access the Lost Lake Loop trail and where can I park?

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.

Is the Lost Lake Loop suitable for beginners?

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.

What kind of terrain can I expect on the Lost Lake Loop?

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.

What are the best times of year to mountain bike the Lost Lake Loop?

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.

Are dogs allowed on the Lost Lake Loop?

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.

Do I need any permits or have to pay entrance fees to ride this trail?

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.

What kind of views and natural features can I expect along the route?

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.

Does the Lost Lake Loop intersect with other well-known trails?

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.

What wildlife might I encounter on the trail?

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.

What are the main highlights or points of interest on the Lost Lake Loop?

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.

What should I bring for a mountain bike ride on this trail?

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.

Nearby routes

Hard

3

Lost Lake Loop

05:15h

52.2km

1,200m

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