71
riders
11
rides
Mountain biking in Thurston County offers a diverse range of trails through varied landscapes. The region features lush forests, rolling hills, and river valleys, providing a scenic backdrop for outdoor pursuits. Capitol State Forest is a central hub, known for its extensive network of multi-use trails and singletrack. This area is characterized by its mix of challenging terrain and accessible paths, catering to different skill levels.
Last updated: April 24, 2026
15
riders
20.4km
02:03
430m
430m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
28.0km
03:07
840m
840m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

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14.8km
01:17
180m
180m
Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.
25.6km
02:38
590m
590m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
17
riders
34.0km
03:37
880m
880m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
11
riders
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
8
riders
36.9km
03:51
920m
920m
Hard mountain bike ride. Very good fitness required. Suitable for all skill levels.
7
riders
65.0km
06:26
1,450m
1,450m
Hard mountain bike ride. Very good fitness required. Suitable for all skill levels.
7
riders
Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.
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Popular around Thurston County
MTB Trails in Capitol State Forest

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Capitol Peak is one of the highest peaks in the Capitol State Forest. Views of the Cascades and out to Grays Harbor make the final climb up "The Grunt" worth the effort.
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A picnic table marks the Mima Falls Day Use Area. To get a better look at the falls, follow a footpath through the brush down to the creek below.
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If you're planning to run any part of this trail, show up early; the trailhead parking area only holds about 30 cars. You'll need a Discover Pass ($35 annual, or $11.50 day pass) to enter. In the eastern reaches of the park, you may hear gunfire from the nearby shooting range.
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If you want a change of pace, you can hop off the singletrack trails and rip down (or climb up) some of the dirt and gravel service roads in the area. Even if your entire ride is on the road, you'll still get great views (and plenty of hills to go with those views)! That being said, the trails and road system intersect so much that it's worth doing a bit of both when out for a ride.
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At an elevation of 2,356 feet, Rock Candy Mountain is one of the tallest peaks in Thurston County. The trail and road systems covering the mountain and surrounding foothills are heavily utilized by off-roaders and mountain bikers. There are a few different loops you can make out here, some just an hour long and others extending over 30 miles.
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This is one of a couple beaches open to the public on Deep Lake. This picnic spot with a sandy shore is just off the side of the trail, and there is even a swimming area marked off in the water. The lake is a popular fishing spot, but it works just as well as a photo backdrop.
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Millersylvania State Park is best known for its quiet camping options and the sizable Deep Lake, but it also has some great trails for hiking and easy mountain biking. The trails are mostly smooth dirt with lots of twists and turns. It's best to keep your speed down, especially on the narrow boardwalk sections.
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This trailhead is open to motorized off-road vehicles. Expect to share the trails with ORVs.
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Thurston County offers a wide selection of mountain biking opportunities. Komoot features 12 mountain bike tours in the area, ranging from easy to difficult, with many more trails available within the extensive networks of places like Capitol State Forest.
Yes, Thurston County has several easy mountain bike trails perfect for beginners and families. For example, the Perimeter Trail and Maple Hollow Loop is an easy 9.2-mile route through diverse forest landscapes. Millersylvania State Park also offers an easy 9.2-mile loop with forest trails and a public beach on Deep Lake, and the Chehalis Western Trail is another easier, 20-mile option.
For advanced riders seeking challenging singletrack, Capitol State Forest is the primary destination. It boasts over 166 miles of singletrack, including trails like 'Down 'N Rowdy' known for steeps, tabletop jumps, and technical features. The 'Scoby Trail' on the North Slope is also highlighted as a challenging 1.3-mile ride.
Yes, the Mima Falls and McKenny Trail Loop is a moderate 12.7-mile ride through diverse forest scenery that leads to a waterfall, offering a scenic reward during your ride.
While outdoor activities are possible year-round, spring through fall is generally considered the optimal period for mountain biking in Thurston County. The weather during these seasons is typically more favorable for enjoying the trails.
Thurston County offers several excellent loop trails. Popular options include the Rock Candy Mountain Loop, a moderate 17.4-mile path with significant elevation gain, and the Lost Valley and McKenny Loop, a moderate 15.9-mile trail through diverse woodland scenery in Capitol Forest.
Thurston County's trails often pass through or near notable natural features. You can explore the unique Mima Mounds Natural Area Preserve, or visit the Woodard Bay Natural Resources Conservation Area. Many routes also offer views of lush forests, rolling hills, and river valleys, with some trails providing access to Capitol Lake.
Many trails within Thurston County, especially those in Capitol State Forest, are multi-use and generally dog-friendly. However, it's always recommended to check specific trail regulations or park rules before heading out with your dog, as leash laws and restrictions can vary.
The primary hub for mountain biking in Thurston County is Capitol State Forest, which features an extensive network of over 100 miles of multi-use trails and 166 miles of singletrack. Other notable areas include Millersylvania State Park and the Chehalis Western Trail.
Mountain bikers frequently praise the diverse terrain and extensive trail networks, particularly within Capitol State Forest. Riders appreciate the variety of options, from challenging singletrack with technical features to easier, scenic loops, all set against a backdrop of lush forests and rolling hills.
While Capitol State Forest is popular, its vastness means you can often find less crowded sections, especially on weekdays or by exploring some of the lesser-known trails within its extensive network. Exploring routes outside the immediate vicinity of Olympia, or those with longer distances, can also lead to a more solitary experience.
Access to many of the more remote mountain biking trails, particularly within Capitol State Forest, is primarily by car. However, some trails closer to urban centers like Olympia and Lacey, such as sections of the Chehalis Western Trail, might be more accessible via public transport connections. It's best to check local transit routes and schedules for specific trailhead access.


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