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Routes
Hiking trails & Routes
United States
Alaska
Kenai Peninsula Borough

Fuller Lakes Trail

Moderate

4.8

(2982)

9,928

hikers

Fuller Lakes Trail

03:33

10.9km

490m

Hiking

Hike the moderate 6.8-mile Fuller Lakes Trail in Kenai National Wildlife Refuge, featuring subalpine lakes and mountain views.

Last updated: February 26, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Kenai Wilderness

Waypoints

A

Start point

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1

3.52 km

Lower Fuller Lake

Highlight • Lake

This is the first of two Fuller Lakes. It's well worth continuing on to the second lake, but do take a minute to enjoy the beautiful of this one, set …

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2

5.42 km

Upper Fuller Lake

Highlight • Lake

The trail doesn't so much end at Upper Fuller Lake as it peters off into sheep (and sheep-hunter) trails. Speaking of, if you see large, white animals in the cliffs nearby, they could be Dall sheep or mountain goats.

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B

10.9 km

End point

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Way Types & Surfaces

Way Types

10.9 km

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Elevation

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Today

Friday 8 May

7°C

0°C

45 %

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Max wind speed: 6.0 km/h

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This route was planned by komoot.

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Frequently Asked Questions

Where is the trailhead for Fuller Lakes Trail, and what are the parking options?

The Fuller Lakes Trail is located in the Kenai National Wildlife Refuge near Cooper Landing, Alaska. The trailhead is typically accessed from the Sterling Highway. Parking is usually available at the trailhead, but it's always a good idea to arrive early, especially during peak season, as specific parking details can vary.

Is the Fuller Lakes Trail dog-friendly?

Yes, the Fuller Lakes Trail is generally dog-friendly. However, it's crucial to keep dogs on a leash to protect wildlife and ensure a pleasant experience for all hikers. Always practice Leave No Trace principles, including packing out all pet waste.

What is the best time of year to hike the Fuller Lakes Trail?

The trail is particularly stunning in autumn when the leaves change, offering breathtaking views and a comfortable hiking experience with fewer bugs. Summer is also popular, but be prepared for potential insects. Late summer offers excellent berry picking opportunities, especially near Upper Fuller Lake.

Are there any permits or entrance fees required for the Fuller Lakes Trail?

The Fuller Lakes Trail is located within the Kenai National Wildlife Refuge. Generally, there are no entrance fees for the refuge itself for day use. However, for specific activities like camping or if you plan to access the Mystery Creek Wilderness Unit, it's advisable to check the official Kenai National Wildlife Refuge website (fws.gov) for the most current regulations regarding permits or fees.

How difficult is the Fuller Lakes Trail?

The trail is generally considered moderate. It begins with a steep section for the first half-mile or so, but then becomes less intense as you approach the saddle and the lakes. The elevation gain between Lower and Upper Fuller Lakes is minimal. While it's a 'blue difficulty singletrack trail,' some sections can be strenuous, especially if you plan to connect to the Skyline Trail.

Is the Fuller Lakes Trail a loop or out-and-back?

The Fuller Lakes Trail is primarily an out-and-back trail to the lakes. However, for more experienced and adventurous hikers, it can connect to the Skyline Trail via the Mystery Hills ridge, offering a strenuous overnight or very long day hike option.

What kind of wildlife can I expect to see on the trail?

Hikers have the chance to see a variety of wildlife, including moose, black and brown bears, and Dall sheep on alpine slopes. Various bird species like ptarmigan, grouse, hawks, and eagles are also present. Beaver activity, including lodges, is evident at Lower Fuller Lake.

What are the main points of interest along the Fuller Lakes Trail?

The primary attractions are the sub-alpine lakes themselves, including Lower Fuller Lake and Upper Fuller Lake. These lakes are stocked with fish like arctic grayling and dolly varden. You'll also pass through areas with ancient trees, some dating back to the 1500s, and enjoy impressive views of the Kenai Range.

Does the Fuller Lakes Trail connect to other hiking routes?

Yes, the trail provides access to the Mystery Creek Wilderness Unit for more extensive backcountry exploration. For experienced hikers, it also connects to the Skyline Traverse Trail via the Mystery Hills ridge, offering a longer and more challenging route.

What should I pack for a hike on the Fuller Lakes Trail?

Given the varied terrain and Alaskan weather, sturdy hiking shoes are highly recommended, as some sections can be wet or muddy. Always carry bear spray, be prepared for changing weather conditions, and bring plenty of water, snacks, and appropriate layers. Insect repellent is also advisable, especially in summer.

Are there any campsites available along the trail?

Yes, there are established campsites along the trail, making it suitable for both day hikes and multi-day trips. These offer opportunities for overnight stays, particularly if you plan to explore the Mystery Creek Wilderness Unit or connect to the Skyline Trail.

What are some potential hazards to be aware of on the trail?

Hikers should be aware of potential hazards such as fallen trees due to fire and insect damage, which can make some sections more challenging. Wildlife encounters, particularly with bears, are possible, so carrying bear spray and knowing how to use it is essential. Always be prepared for rapid changes in weather conditions.

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