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MTB trails
United States
Idaho

Fremont County

The best MTB trails in Fremont County

33

riders

14

rides

Mountain biking in Fremont County offers diverse terrain across this region of Idaho. The landscape is characterized by its mountainous features, including forested areas, river valleys, and high-elevation trails. Riders can expect a mix of challenging climbs and scenic descents, often with views of lakes and natural wilderness. The area provides a variety of routes suitable for different skill levels, from gentle paths to more demanding mountain bike trails.

Best mountain bike trails in Fremont County

  • The most popular mountain…

Last updated: April 25, 2026

3

riders

#1.

Silver Lake and Ridge Trail Loop

14.8km

01:15

120m

120m

An easy 9.2-mile mountain biking loop in Harriman State Park, featuring Silver Lake and sections of the Ridge Trail.

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Easy

Embark on the Targhee Creek and Continental Divide Trail Loop, a difficult mountain biking adventure spanning 20.2 miles (32.5 km). You'll tackle diverse and demanding terrain, from dirt roads to…

Hard
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Embark on the Great Divide Mountain Bike Route, a challenging 51.8-mile off-pavement mountain biking adventure through Caribou-Targhee Natio

Hard

This moderate 35.5-mile mountain bike route from Ashton to Mesa Falls offers scenic views and impressive waterfalls in Caribou-Targhee Natio

Moderate

This difficult 75.1-mile mountain bike loop on the Great Divide Mountain Bike Route offers 3386 feet of gain near Big Springs, Idaho.

Hard

40.2km

03:19

530m

530m

This moderate 25.0-mile mountain bike loop in Caribou-Targhee National Forest offers elevated views and varied terrain.

Moderate

Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.

Easy

Hard mountain bike ride. Very good fitness required. Suitable for all skill levels.

Hard

Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.

Easy
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Popular around Fremont County

MTB Trails around Warm River

MTB Trails around Island Park

The Continental Divide Trail — Across the sky of America

Hiking in Fremont County

Cycling in Fremont County

Other adventures in Fremont County

The Continental Divide Trail — Across the sky of America

Hiking Collection by

Zachary

Tips from the Community

Traveler
January 4, 2026, Ashton

Authentic Western pioneer town with walkable main and residential streets. A couple of parks offer pleasant trails and rest areas.

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HoffiKC
December 7, 2024, Silver Lake

See also https://youtu.be/j9FSPUdDfDQ?si=7v3oDZj_FVpttgvZ

Translated by Google

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Traveler
February 26, 2024, Ashton

Small hamlet, adding up its numbers in creative ways

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Warm Creek Butte offers elevated views of the surrounding Targhee National Forest. There are bears in the area so call out for bears, ride with a friend, and bring bear spray!

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Alex Foxfield
August 29, 2023, Lionhead

Lionhead is a 2,904-metre (9,528 ft) summit on the Continental Divide Trail. The trail that leads up and down from it is popular with mountain bikers so respect all users when hiking. It can be accessed from the Targhee Pass Highway. The peak is named because, from certain angles, it looks like the head of a lion.

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Christopher
August 29, 2023, Big Springs

At Big Springs is a great place to turn around or take a dip in the river to cool off. This trail goes along the Great Divide route and is flat singletrack most of the way. This trail would be great for an easy ride, or a good place to get in some speed work training.

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Andrus
August 11, 2023, Ridge Trail

The Ridge Trail is a great bit of singletrack. You can ride it in either direction and no matter which way you choose you'll get a good climb and fun descent in.

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Andrus
August 11, 2023, Silver Lake

Scenic and teaming with wildlife Harriman State Park's Silver lake is a great place to ride on your way to/from Yellowstone. Or, you could stay for a while and avoid the crowds of the more famous neighbor while still have an incredible outdoor experience.

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Frequently Asked Questions

How many mountain bike trails are available in Fremont County?

Fremont County offers a selection of 13 mountain bike trails, catering to various skill levels. You'll find 5 easy routes, 4 moderate, and 4 more challenging options.

Are there easy mountain bike trails suitable for beginners or families in Fremont County?

Yes, Fremont County has several easy mountain bike trails perfect for beginners and families. A great option is the Silver Lake and Ridge Trail Loop, an easy 14.8 km path with gentle elevation changes. Another easy choice is the Silver Lake loop from Thurman Creek, which is about 7.9 km long.

What are some challenging mountain bike routes for experienced riders in Fremont County?

Experienced riders looking for a challenge can explore routes like the Targhee Creek and Continental Divide Trail Loop, a difficult 32.5 km trail. For even longer, demanding rides, consider sections of the Great Divide Mountain Bike Route, such as the Big Springs Loop, which spans over 120 km.

What kind of scenery can I expect on mountain bike trails in Fremont County?

Fremont County's mountain bike trails offer diverse and scenic landscapes. You'll ride through forested areas, along river valleys, and experience high-elevation trails with views of lakes and natural wilderness. Many routes, like the Sheep Lake Trail, provide beautiful lake views.

Are there any loop mountain bike trails in Fremont County?

Yes, Fremont County features several excellent loop trails. The Silver Lake and Ridge Trail Loop is a popular easy option. For a more challenging loop, consider the Targhee Creek and Continental Divide Trail Loop or the Warm River Butte Loop.

What do other mountain bikers say about the trails in Fremont County?

The mountain bike trails in Fremont County are highly regarded by the komoot community, with an average rating of 4.0 stars from reviewers. Riders often praise the varied terrain, from challenging climbs to scenic descents, and the beautiful natural surroundings.

What are some natural attractions or landmarks to see near the mountain bike trails?

While mountain biking in Fremont County, you can explore several natural attractions. Don't miss Upper Mesa Falls, a stunning waterfall, or the scenic Silver Lake. Other notable spots include Warm River Butte and the unique Striped Rock Formations in Caribou-Targhee National Forest.

Is Fremont County suitable for mountain biking in winter?

While Fremont County offers diverse terrain, its mountainous features mean that many trails, especially at higher elevations, can be affected by snow and ice during winter. Conditions vary, so it's best to check local weather and trail reports before planning a winter ride. Lower elevation trails might remain accessible longer.

Are dogs allowed on the mountain bike trails in Fremont County?

Many outdoor areas in Fremont County, particularly those within national forests, generally permit dogs. However, regulations can vary by specific trail or land management area. It's always recommended to check local signage or the managing authority's website for the most current rules regarding pets, and to keep dogs on a leash for their safety and that of wildlife.

What is the best season for mountain biking in Fremont County?

The best season for mountain biking in Fremont County is typically late spring through early autumn (May to October). During these months, the weather is generally favorable, and most trails are free of snow. Summer offers warmer temperatures, while spring and fall provide cooler rides and vibrant foliage.

Are there any long-distance mountain bike routes in Fremont County?

Yes, Fremont County is home to sections of the renowned Great Divide Mountain Bike Route. For example, the Great Divide Mountain Bike Route itself is over 83 km, and the Big Springs Loop section extends for over 120 km, offering significant distances for endurance riders.

Most popular routes in Fremont County

Hiking in Fremont County

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Check out more MTB trails throughout Fremont County below and find the perfect route in your destination.

Warm RiverIsland Park

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