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Cassia County

Thompson Flats Trail — Sawtooth National Forest

Routes
Hiking trails & Routes
Cassia County

Thompson Flats Trail — Sawtooth National Forest

Easy

Thompson Flats Trail — Sawtooth National Forest

01:07

3.83km

100m

Hiking

Hike the easy 2.4-mile Thompson Flats Trail in Sawtooth National Forest, gaining 339 feet amidst high-altitude meadows and pine forests.

Last updated: February 26, 2026

Tips

Your route passes through a protected area

Please check local regulations for:

Sawtooth National Forest

Waypoints

A

Start point

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1

23 m

Thompson Flats Campgorund

Highlight • Rest Area

This is a beautiful secluded spot to camp, especially in autumn when the leaves change color. There are restrooms, tables, and excellent tent sites. There is no running water, but there are amenities, restaurants, and cabins nearby.

Tip by

2

1.91 km

Howell Canyon Shelter

Highlight • Mountain Hut

You can park by the shelter or hike up from Thompson Flats. The trails intersect with a number of branching paths — you can also easily hike up the hill …

Tip by

B

3.83 km

End point

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Way Types & Surfaces

Way Types

3.81 km

Surfaces

3.81 km

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Elevation

Elevation

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Today

Friday 10 July

27°C

15°C

0 %

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Max wind speed: 14.0 km/h

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Frequently Asked Questions

Is the Komoot route 'Thompson Flats Trail' a single, well-defined path?

The Komoot route titled 'Thompson Flats Trail — Sawtooth National Forest' is a specific hiking path within the broader Thompson Flats area. It's important to know that 'Thompson Flats Trail' isn't a singular, official trail name for the entire region. Instead, the Thompson Flat Campground serves as a central point for accessing numerous trails in the surrounding Albion Mountain Range, including those leading to Lake Cleveland and Mount Harrison.

How long does it take to hike this route and what is its difficulty?

This specific Komoot route is considered easy and typically takes about 1 hour and 7 minutes to complete. It covers a distance of approximately 3.8 kilometers with an elevation gain of around 103 meters.

What kind of terrain can I expect on this hike?

The route takes you through a high-altitude landscape, sitting at an elevation of 8,400 feet. You'll experience crisp air and cooler temperatures, especially at night. Expect to walk through beautiful wildflower-filled meadows and towering pine and fir trees, characteristic of the Albion Mountain Range's ancient granite peaks.

What are the notable features or points of interest along the way?

While hiking this route, you'll pass by the Thompson Flats Campground, which is a great base for exploring the area. You'll also be near the Howell Canyon Shelter. The broader Thompson Flats area is known for its proximity to pristine alpine lakes like Lake Cleveland and offers panoramic views from spots like the Mount Harrison Lookout.

What is the best time of year to visit the Thompson Flats area for hiking?

The Thompson Flat Campground, which serves as a base for many trails in the area, is typically accessible from July to October. This period offers the best conditions for hiking, with vibrant wildflower displays in the meadows and generally favorable weather for enjoying the high-altitude environment.

Is this trail suitable for families or beginners?

Yes, this specific Komoot route is rated as easy, making it suitable for beginners and families looking for a relatively short and manageable hike. The broader Thompson Flats area also offers a variety of trails, with some being quite accessible, such as those leading to Lake Cleveland.

Are dogs allowed on the trails in the Thompson Flats area?

Generally, dogs are allowed on trails within the Sawtooth National Forest, but they must be kept on a leash. Always practice Leave No Trace principles, including packing out all pet waste, to protect the natural environment and wildlife.

Do I need any permits or is there an entrance fee for the Sawtooth National Forest or this trail?

There is typically no entrance fee to access the Sawtooth National Forest itself for day hiking. However, if you plan to use the Thompson Flats Campground as a base, it is a fee-based campground. Always check the latest regulations with the USDA Forest Service or Recreation.gov for any specific permit requirements, especially for overnight stays or certain activities.

Where can I park to access this route?

The most convenient access point for this route is typically near the Thompson Flats Campground. The campground itself offers amenities and serves as a hub for the surrounding trails, so parking would likely be available in that vicinity.

What kind of wildlife might I encounter?

The Thompson Flats area provides opportunities for wildlife viewing. While specific sightings can vary, the region's diverse habitats support various species. Always maintain a safe distance and avoid disturbing any animals you encounter.

Are there any facilities like restrooms or water available near the trailhead?

Yes, the Thompson Flats Campground, which is a key access point for this route, is a well-developed, fee-based campground with amenities such as toilets, picnic tables, and grills. It's a good idea to bring your own water, but these facilities can be helpful.

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