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Hiking trails & Routes
United States
Colorado
San Juan County

Whitehead Peak Loop

Hard

4.8

(4909)

14,464

hikers

Whitehead Peak Loop

08:11

26.1km

1,040m

Hiking

The Whitehead Peak Loop offers a demanding yet incredibly scenic high-alpine hiking experience in Colorado's San Juan Mountains. This difficult route, spanning 16.2 miles (26.1 km) with 3403 feet (1037 metres) of elevation gain, guides you from dense spruce-fir forests into vast alpine tundra, past exquisite alpine lakes, and along exposed ridges. You'll be treated to panoramic views of the rugged Grenadier Range and the surrounding peaks, with the chance to spot vibrant wildflowers in mid-summer.

Planning for this 8-hour and 11-minute adventure requires careful consideration, as much of the trail is above treeline within the Weminuche Wilderness. Hikers should be prepared for significant elevation changes and potential rapid weather shifts, including lightning, rain, or even snow. Navigation can be challenging in sections where the trail is faint, so strong map-reading and compass skills are essential for this strenuous outing.

This loop is a prime example of the challenging hiking trails in the region, connecting to the broader network via the Whitehead Trail (#674) which links the Continental Divide Trail and the Highland Mary Trail. Beyond the natural beauty, you'll also encounter historical mining remnants in areas like Cunningham Gulch, adding a unique layer of context to your high-altitude journey.

Last updated: June 9, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Weminuche Wilderness

Waypoints

A

Start point

Get Directions

1

28 m

Deer Park

Highlight • Settlement

From Deer Park you can head south and east along the Whitehead Trail to Whitehead Peak, Mount Rhoda, Highland Mary Lakes, and the Colorado Trail - Continental Divide Trail junction.

The Whitehead trail will take you through gorgeous alpine valleys filled with wildflowers and past alpine lakes nested beneath towering peaks. Parts of the trail may have snow fields through August.

Tip by

2

8.70 km

Lost Lake

Highlight • Lake

Lost Lake is a beautiful alpine lake along the Whitehead Trail. Just west of Lost Lake is another, smaller alpine lake. To the north you will encounter Verde Lake and the Highland Mary Lakes.

Tip by

3

13.0 km

This valley is filled with wildflowers come summer. The Continental Divide Trail runs over 3,000 miles from Mexico to Canada — here it intersects the 486-mile Colorado Trail, which runs from Denver to Durango.

Tip by

B

26.1 km

End point

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Way Types & Surfaces

Way Types

26.2 km

Surfaces

13.4 km

12.8 km

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Elevation

Elevation

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

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Weather

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Today

Monday 6 July

23°C

4°C

33 %

Additional weather tips

Max wind speed: 11.0 km/h

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Frequently Asked Questions

Where is the trailhead for the Whitehead Peak Loop and what are the parking options?

The Whitehead Peak Loop trailhead is typically accessed via roads that can be rough. While a 2WD vehicle with good clearance might suffice depending on current conditions, a 4WD vehicle is often recommended for reliable access. Parking is usually available at the trailhead itself.

Is the Whitehead Peak Loop dog-friendly?

Yes, the Whitehead Peak Loop is generally dog-friendly. However, as it is located within the Weminuche Wilderness, it's always best to check current regulations regarding leash laws and responsible pet ownership to protect wildlife and other hikers.

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

The best time to hike the Whitehead Peak Loop is typically mid-summer for sublime wildflowers, especially in Spencer Basin, or in autumn for dazzling fall colors. Winter hiking would present significant challenges due to snow and weather conditions.

Do I need a permit or pay an entrance fee for the Weminuche Wilderness?

Generally, there are no specific permits or entrance fees required for day hiking in the Weminuche Wilderness. However, it's always wise to check with the local San Juan National Forest office for any updated regulations or specific requirements, especially for overnight stays.

What kind of terrain can I expect on the route?

The terrain varies significantly. You'll start in lush spruce-fir forests with clear water and wildflowers, transitioning to open alpine tundra above the treeline. Expect sections of jeep roads, cross-country travel, scrubby krumholtz, and rocky, steep areas. Some parts of the Whitehead Trail can be thin dirt tracks with potential washouts and poor footing. There are also exposed sections, including Class 2 scrambling and mild to moderate exposure on points like Point 13,409'.

What notable landmarks or viewpoints will I see along the way?

The loop offers stunning views of the rugged Grenadier Range, Arrow Peak, and Vestal Peak. You'll also get panoramas into Spencer Basin and over Sugarloaf. Highlights include the serene Lost Lake and the Highland Mary Lakes basin. You might also spot historical mining debris near access roads.

Does the loop intersect with other well-known trails?

Yes, the route utilizes significant portions of the Whitehead Trail and also passes through sections of the Colorado Trail and the Continental Divide Trail (CDT - Colorado Section / Continental Divide NST).

What wildlife might I encounter on the trail?

Hikers often report spotting wildlife such as foxes and mountain goats. The diverse ecosystems, from forest to alpine tundra, support a variety of animal life.

How long does it typically take to hike the Whitehead Peak Loop?

The Komoot data suggests this specific loop takes approximately 8 hours and 11 minutes to complete. However, individual times can vary based on fitness levels, weather, and time spent enjoying the scenery.

Are there any particularly challenging sections or exposure points to be aware of?

Yes, the loop is rated as difficult. It involves Class 2 technical difficulty, with some Class 2+ sections featuring mild exposure. One hiker reported a ridge section with 'a big drop-off on both sides' that caused a fear of exposure. The footing can be poor in washed-out areas, and some sections above the treeline are very exposed to the elements.

Is this loop suitable for beginner hikers?

Given its difficult rating, significant distance (over 26 km), and substantial elevation gain (over 1000 m), this loop is not recommended for beginner hikers. It involves challenging terrain, potential exposure, and requires good navigation skills and physical fitness.

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