4.8
(4)
765
riders
48
rides
Mountain biking in Grand County, Colorado, offers an extensive network of trails across diverse landscapes. The region features high-mountain peaks, sweeping river valleys, and dense forests, providing varied terrain for riders. With over 600 miles of trails, Grand County is known for its extensive singletrack, cross-country routes, and lift-served downhill options. This area includes significant portions of the Arapaho and Roosevelt National Forests, offering a range of elevations and natural features.
Last updated: April 26, 2026
111
riders
17.8km
01:58
590m
570m
Embark on the Shy Ann, Rainmaker, and Green World Loop for a challenging mountain biking adventure that spans 11.1 miles (17.8 km). This difficult route demands skill as you navigateβ¦
6
riders
12.0km
01:12
230m
240m
Get ready for a moderate mountain biking adventure on the Zoom, Chainsaw, Flume Trails Loop. This 7.5-mile (12.0 km) route, with 758 feet (231 metres) of elevation gain, takes aboutβ¦

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23
riders
21.2km
02:41
440m
440m
Get ready for a moderate mountain biking adventure on the Tipperary Creek Loop, a route that winds through Arapaho National Forest. You will experience diverse terrain, from spectacular singletrack carvingβ¦
16
riders
54.6km
05:19
1,080m
1,080m
This difficult 34.0-mile mountain biking route to The Trestle Bridge offers challenging terrain and scenic views through Arapaho National Fo
15
riders
7.39km
00:47
190m
190m
Embark on the Iko & Broken Spade Loop for a moderate mountain biking adventure spanning 4.6 miles (7.4 km). You will climb 634 feet (193 metres) over approximately 46 minutes,β¦
11
riders
15.5km
01:34
320m
320m
Get ready for a moderate mountain biking adventure on the Chainsaw and Creekside Loop, a 9.7-mile (15.5 km) route that promises a dynamic ride through Arapaho National Forest. You willβ¦
11
riders
26.0km
03:10
510m
510m
Embark on the Strawberry West Trail to Strawberry Lake for a moderate mountain biking adventure spanning 16.1 miles (26.0 km). You will climb 1687 feet (514 metres) over an estimatedβ¦
2
riders
10.6km
01:07
260m
260m
This mountain biking route from Dumont Lake to Rabbit Ears Peak offers a moderate challenge over 6.6 miles (10.6 km). You will gain 864 feet (263 metres) in elevation, typicallyβ¦
2
riders
56.2km
04:46
680m
680m
Experience diverse mountain biking on the 34.9-mile Fraser to Granby Trail, winding through scenic valleys and offering varied terrain.
35.3km
03:30
700m
700m
Embark on a moderate mountain biking adventure through Medicine Bow-Routt National Forest, following the scenic Rock Creek drainage. This route, known as From Rock Creek Trailhead to CR 19 Junctionβ¦
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Popular around Grand County
MTB Trails in Vasquez Peak Wilderness
MTB Trails in Indian Peaks Wilderness
MTB Trails around Fraser
MTB Trails in Byers Peak Wilderness
MTB Trails around Tabernash
MTB Trails around Winter Park
MTB Trails around Granby
MTB Trails in Arapaho National Recreation Area
Hiking in Grand County
Running Trails in Grand County
Here, you can enjoy stunning views of Rabbit Ears. It's a great place to pause and take in the views before making your way back.
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For mountain bikers, the Rabbit Ears Trail is a lung-scorching climb and a heart-pumping descent! This technically easy jeep road delivers postcard-worthy panoramas, but thin air and steep sections test your endurance.
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Take in the scenic beauty of Big Rock Creek Road (FS 147) a peaceful forest road offering captivating views of the Medicine Bow-Routt National Forest. Remember, this route is part of a complete loop with FS 242 and 241.
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Built in 1905 and at an elevation of 11,600 feet, this is the remnants of the old train trestle that connected Denver to Winter Park. The tracks were removed in 1938 and the bridge was used for automobile traffic until 1955. These days it can only be accessed by hiking or biking.
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This serene lake surrounded by meadows is a beautiful destination at the end of the Strawberry Lake Trail. It is an awesome spot to be in the autumn when the colors are at their peak!
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This park near the Fraser River has a small fishing pond, picnic areas and some short connected trails. It is an entrance point to Granby from the south, and ends the Fraser to Granby Trail.
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Tabernash is a small highway-side community nestled between the towns of Granby and Winter Park in the valley of the Fraser River. The biggest draw is nearby Arapaho National Forest and Rocky Mountain National Park, which offer year round outdoor recreation.
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Grand County offers an extensive network of mountain bike trails, with over 45 routes available on komoot. The region is known as 'Mountain Bike Capital, USA,' boasting over 600 miles of trails in total, catering to all skill levels from beginner-friendly paths to expert-level downhill runs.
The prime season for mountain biking in Grand County typically runs from late spring through early fall, generally May to October. During these months, trails are usually clear of snow, and the weather is favorable for riding. Always check local trail conditions before heading out, especially in shoulder seasons.
You can expect a diverse range of terrain, from mellow, meandering paths to demanding singletrack with steep climbs, technical descents, and rocky sections. Trails often traverse quiet forests, flowy hills, and alpine meadows, offering varied experiences across high-mountain peaks and sweeping river valleys. The region includes significant portions of the Arapaho and Roosevelt National Forests.
Yes, Grand County has trails suitable for beginners. Out of the routes listed on komoot, 4 are rated as easy. The region offers options for all ability levels, including beginner-friendly paths. The Fraser River Trail, for example, is known for its family-friendly aspects and mellow sections.
For challenging rides, Grand County offers 22 difficult routes on komoot. Trails like the Shy Ann, Rainmaker, and Green World Loop provide varied terrain and significant elevation gain. The region also features renowned bike parks like Trestle Bike Park at Winter Park Resort and Bike Granby Ranch, which offer highly technical pro-lines and expert-level gravity-fed options.
Grand County is rich in natural beauty. You can encounter stunning vistas of the Never Summer Mountains, parts of Rocky Mountain National Park, and the Continental Divide. Many trails wind through forests and alpine environments. Notable natural attractions include Grand Lake, Colorado's largest natural lake, and Monarch Lake. You might also spot peaks like James Peak or Ptarmigan Peak.
Yes, many mountain bike routes in Grand County are designed as loops, offering a complete riding experience without retracing your steps. Examples include the Zoom, Chainsaw, Flume Trails Loop and the Tipperary Creek Loop, which lead through alpine meadows and forests.
The mountain biking experience in Grand County is highly rated by the komoot community, with an average score of 4.7 stars. Riders often praise the diverse terrain, from flowy sections to technical challenges, and the breathtaking natural scenery, including views of high-mountain peaks and river valleys. Over 700 mountain bikers have used komoot to explore the area's varied trails.
Absolutely. Grand County offers several family-friendly mountain bike trails. The Fraser River Trail is a great example, known for its mellow and meandering sections that are suitable for riders of varying ages and skill levels. Many of the easier routes on komoot are also excellent choices for families.
Many trails in Grand County are dog-friendly, but leash laws and specific regulations can vary depending on the land management agency (e.g., National Forest, State Park, or private land). It's always best to check the specific trail rules before you go. Generally, dogs should be kept on a leash to protect wildlife and ensure a pleasant experience for all trail users.
For most general mountain biking trails in Grand County, a specific permit is not required. However, if you plan to ride within Rocky Mountain National Park, different rules and fees apply, and mountain biking is generally restricted to paved roads. For bike parks like Trestle Bike Park or Bike Granby Ranch, lift tickets or passes are required. Always check with the local land management office or bike park for the most current information.
Yes, Grand County's trails often provide access to or views of its significant waterways. The Colorado River originates in Grand County, and you can find trails near Grand Lake and Lake Granby. The Strawberry West Trail to Strawberry Lake is an example of a route that leads to a beautiful lake.
For longer rides, Grand County offers several extensive routes. The Fraser River Trail to The Trestle Bridge is a challenging 33.9-mile (54.6 km) route, while the Fraser to Granby Trail spans 34.9 miles (56.2 km), allowing riders to explore different towns and enjoy scenic views.


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