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Hiking trails & Routes
United States
Colorado
Summit County

Lost Lake and Gore Range Trail Loop

Moderate

2.7

(21)

80

hikers

Lost Lake and Gore Range Trail Loop

04:51

15.6km

710m

Hiking

Hike the moderate 9.7-mile Lost Lake and Gore Range Trail Loop in Eagles Nest Wilderness, featuring panoramic views and a serene lake.

Last updated: February 26, 2026

Tips

Your route passes through protected areas

Please check local regulations for:

Waypoints

A

Start point

Parking

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B

15.6 km

End point

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Way Types & Surfaces

Way Types

10.6 km

3.80 km

863 m

274 m

Surfaces

7.45 km

7.08 km

1.04 km

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Elevation

Elevation

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Weather

Powered by Foreca

Today

Tuesday 7 July

27°C

11°C

69 %

Additional weather tips

Max wind speed: 2.0 km/h

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Frequently Asked Questions

How do I access the trailhead for the Lost Lake and Gore Range Trail Loop, and what are the parking options?

The trail is typically accessed via a trailhead that leads into the Eagles Nest Wilderness. Parking availability can vary, so it's often recommended to arrive early, especially during peak season, to secure a spot. Specific parking details are usually found at the trailhead entrance.

Is this trail suitable for dogs?

Yes, the Lost Lake and Gore Range Trail Loop is generally dog-friendly. However, as it passes through the Eagles Nest Wilderness, dogs must be kept on a leash at all times to protect wildlife and ensure a pleasant experience for all hikers. Please remember to pack out all waste.

What is the best time of year to hike this loop?

The best time to hike the Lost Lake and Gore Range Trail Loop is typically during the summer months, from late June through September. During this period, you'll experience pleasant weather, vibrant wildflowers like columbines and Indian paintbrush, and accessible trail conditions. Spring can involve more challenging stream crossings due to meltwater, and fall offers beautiful foliage but can bring colder temperatures.

Do I need a permit or pay an entrance fee for the Lost Lake and Gore Range Trail Loop?

The Lost Lake and Gore Range Trail Loop is located within the Eagles Nest Wilderness. While there are generally no specific permits required for day hiking, and no entrance fees, it's always wise to check the latest regulations from the U.S. Forest Service before your trip, as rules can change. Always practice Leave No Trace principles.

What is the terrain like on this hike?

You can expect a varied and engaging terrain. The route often starts with a gentle ascent through dense forests of lodgepole pines and aspens, with several small stream crossings. As you gain elevation, it becomes steeper and includes particularly rocky sections. The descent typically winds through alpine meadows and more dense forests. Some parts may also pass through areas of extensive clear-cut forest.

What scenic highlights and landmarks can I expect to see?

The trail offers stunning scenery, including rugged peaks of the Gore Range and panoramic views from higher elevations. A significant landmark is the serene Lost Lake Reservoir, a perfect spot for a break, often surrounded by wildflowers in summer. You'll also pass through beautiful alpine meadows and thick forests, with potential distant views of Mt. Holy Cross.

What kind of wildlife might I spot along the way?

The area is rich in biodiversity, offering abundant wildlife viewing opportunities. Hikers frequently spot mule deer, marmots, pikas, and various bird species. There are also signs of elk, black bears, mountain lions, and coyotes, so always be aware of your surroundings and practice safe wildlife viewing.

Does the Lost Lake and Gore Range Trail Loop intersect with other well-known paths?

Yes, the route incorporates sections of several other trails. You'll find yourself on parts of the TransAmerica Trail (Colorado), the Lost Lake Trail, Brush Creek Road, the Gore Range Trail, and the Brush Creek Trail during your journey.

What should I pack for a day hike on this trail?

Given the varied terrain and moderate difficulty, sturdy hiking boots are highly recommended. You should also bring plenty of water, snacks, layers of clothing for changing weather, sun protection, and a map or GPS device. Trekking poles can be helpful for the steeper and rockier sections.

Are there any specific challenges or considerations for this loop?

The trail is considered moderately challenging due to its length and elevation gain. Be prepared for rocky sections at higher elevations and potential stream crossings, especially during spring melt. Always check current trail conditions before heading out, as weather in the mountains can change rapidly.

Is the Lost Lake and Gore Range Trail Loop a true loop, or is it an out-and-back?

As the name suggests, this is a true loop trail. It provides a continuous journey through diverse landscapes without requiring you to retrace your steps, offering a fresh perspective throughout your hike.

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