4.9
(52)
1,779
riders
33
rides
Mountain biking in Raging River State Forest offers a comprehensive trail system across 11,200 acres on the western slopes of Rattlesnake Mountain. The terrain features diverse forest landscapes, with higher elevations providing views of Mount Rainier and Mount Si. The Raging River itself is a significant natural feature, flowing through the forest. This area provides a blend of recreational opportunities within a working forest environment.
Last updated: June 28, 2026
67
riders
31.2km
03:49
1,260m
1,260m
Hard mountain bike ride. Very good fitness required. Suitable for all skill levels.
4.9
(8)
235
riders
Hard mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.

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4.8
(6)
190
riders
16.0km
01:52
550m
550m
Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.
5.0
(1)
145
riders
Hard mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.
5.0
(1)
56
riders
Hard mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.
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This is the intersection of the Upward Mobility Trail and Rattlesnake Mountain Trail. The Upward Mobility Trail is popular with mountain bikers, so make sure you keep an eye out for other trail users as you pass by.
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This part of the Upward Mobility Trail is beautiful, with trees overhead and a few zigzag paths. It gets steeper as you go up.
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Tiger Mountain State Forest in Mirrormont, Washington, beckons mountain bikers with diverse trails catering to all skill levels. From smooth singletracks to technical descents, thrill-seekers will find excitement. Highlights include Predator and Off the Grid for adrenaline rushes, and challenges await on trails like Fully Rigid and Joyride. There is parking and restrooms at the trailhead here.
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If you have a long day on the trail, there is a creek here beneath an underpass that you can refill bottles (using a filter of course)!
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Stan's Overlook is a great place to pause for a picnic (there is a picnic table), and to enjoy views through the trees of Mount Si and the Snowqualmie Valley.
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From it's summit you are rewarded with breathtaking views. Whether you choose to savor a picnic lunch or simply take a moment to soak in the beauty of nature, the picnic table provides a serene and comfortable setting to enhance your experience.
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This is where the Rattlesnake Mountain Trail (attention: hikers only) and the Upward Mobility Trail (for cyclists) begins. On Upward Mobility you gain over 1,000 feet in only 2.8 miles. Continue with Raging Ridge Trail if you are up for an technical 20 mile ride (aka Raging River Loop) or take Flow State Trail for a short and easy workout. No matter what you choose: You will have a blast!
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Raging River State Forest offers nearly 40 mountain bike trails, catering to a wide range of skill levels from easy to expert-only. The trail system is continuously expanding, with plans to grow from its current 17 miles to 35-40 miles.
The forest features a diverse network of single-track trails, including dedicated one-way climbing trails like "Upward Mobility" and exciting downhill descents such as "Poppin Tops" and "Flow State" with features like jumps and tight curves. You'll find trails rated green (easy), blue (moderate), black (hard), and red (extremely hard/expert-only).
Yes, Raging River State Forest includes trails suitable for beginners, marked as 'green' difficulty. While specific easy routes are not detailed in the provided data, the overall system is designed to accommodate various skill levels, so look for trails designated as easy on signage or maps.
The trails are situated on the western slopes of Rattlesnake Mountain, offering expansive mountain views, including breathtaking vistas of Mount Rainier and Mount Si from higher elevations and spots like Stan's Overlook. The Raging River itself is a significant natural feature, known for its dramatic seasonal flow.
Yes, a primary access point for the forest is the Snoqualmie Point Trailhead, which serves as a key gateway to the trails and offers convenient parking for mountain bikers.
Yes, full-suspension mountain bike rentals are available at The Line Trailhead kiosk, which is located near the Snoqualmie Point Park Trailhead, a main access point for the forest.
While mountain biking is generally enjoyable for much of the year, the best time often depends on trail conditions. The region experiences seasonal changes, so checking local trail conditions before your visit is recommended to ensure optimal riding. Spring and fall typically offer pleasant temperatures.
Yes, there are several loop options. For example, the Raging River Loop – Raging River State Forest is a challenging 19.4-mile route, and the Start of Upward Mobility Trail – Upward Mobility Trail loop from Snoqualmie Point Trailhead offers an 11.5-mile difficult path utilizing the dedicated climbing trail.
The area is highly rated by the komoot community, with an average score of 4.9 stars from over 40 reviews. Reviewers often praise the diverse forest landscapes, the comprehensive trail system that caters to all skill levels, and the rewarding views of Mount Rainier and Mount Si.
As Raging River State Forest is a working forest managed by the Washington State Department of Natural Resources (DNR), a Discover Pass is typically required for vehicle access to recreation lands. You can find more information on pass requirements on the DNR website.
While many trails are designed for more experienced riders, the forest does offer 'green' (easy) rated trails that could be suitable for families. It's always best to check the specific trail difficulty and length before heading out with children to ensure it matches their skill level.
The adjacent Raging River Natural Area protects water and habitat quality, making it home to various wildlife. You might encounter elk, deer, bear, and a diverse range of resident and migratory bird species while exploring the forest.


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