33
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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.
Last updated: April 25, 2026
3
riders
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.
2
riders
32.5km
03:37
1,000m
1,000m
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…

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83.4km
05:53
520m
520m
Embark on the Great Divide Mountain Bike Route, a challenging 51.8-mile off-pavement mountain biking adventure through Caribou-Targhee Natio
57.1km
03:50
550m
550m
This moderate 35.5-mile mountain bike route from Ashton to Mesa Falls offers scenic views and impressive waterfalls in Caribou-Targhee Natio
121km
09:36
1,030m
1,030m
This difficult 75.1-mile mountain bike loop on the Great Divide Mountain Bike Route offers 3386 feet of gain near Big Springs, Idaho.
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.
5
riders
7.87km
00:36
20m
20m
Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.
2
riders
33.0km
03:44
1,030m
1,030m
Hard mountain bike ride. Very good fitness required. Suitable for all skill levels.
3
riders
12.3km
01:06
130m
130m
Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.
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See also https://youtu.be/j9FSPUdDfDQ?si=7v3oDZj_FVpttgvZ
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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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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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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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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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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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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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.


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