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United States
Washington
King County

Grand Ridge Park

The best MTB trails in Grand Ridge Park

5.0

(97)

1,249

riders

27

rides

Grand Ridge Park mountain bike trails popular for their diverse natural features and varied terrain. The park spans over 1,200 acres of dense, green forest, rising to an elevation of 1,100 feet in the Issaquah Alps. It features lush forests with large Douglas fir and western red cedar trees, as well as wetlands that serve as headwaters for local creeks. The terrain includes steep climbs in the north and south, with moderate rolling sections on the ridgetops, providing a dynamic experience for mountain bikers.

Best mountain bike trails in Grand Ridge Park

  • The most popular mountain bike trail is Grand Ridge Trail, a 14.9 miles (24.0 km) trail that takes 2 hours 26 minutes to complete. This moderate route offers a significant cross-country workout through forested landscapes.
  • Another top favourite among local mountain bikers is Building in Grand Ridge Park – Coal Mine Trail loop from High Point, a moderate 7.4 miles (11.9 km) path. This route leads through varied terrain, including sections of the notable Coal Mine Loop Trail.
  • Local mountain bikers also love the South Trail – Duthie Hill Park Trailhead loop from Duthie Hill Park Parking Lot, a 12.4 miles (20.0 km) trail leading through forested areas and connecting to the Duthie Hill Park network, often completed in about 1 hour 39 minutes.
  • Mountain biking in Grand Ridge Park is defined by lush forests, varied terrain, and connectivity to renowned mountain bike parks. The network offers options for different ability levels, from moderate rolling sections to challenging climbs.
  • The routes in Grand Ridge Park are highly rated by the komoot community with an average score of 4.9 stars from over 100 reviews. More than 1,400 mountain bikers have used komoot to explore Grand Ridge Park's varied terrain.

Last updated: June 28, 2026

17

riders

#1.

Building in Grand Ridge Park – Coal Mine Trail loop from High Point

11.9km

01:14

310m

310m

Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

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Moderate

Moderate mountain bike ride. Great for any fitness level. Advanced riding skills necessary.

Moderate
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Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

Moderate

5.0

(6)

73

riders

24.0km

02:26

560m

560m

The Grand Ridge Trail offers a fantastic cross-country mountain biking experience through over 1,200 acres of deep, green forest in Issaquah, Washington. You'll navigate diverse terrain, from impressive stands of second-growth Douglas firs to distinctive groves of western red cedar, and even cross a 600-foot boardwalk. This moderate 14.9-mile (24.0 km) route, with 1852 feet (565 metres) of elevation gain, provides a dynamic ride that takes about 2 hours and 26 minutes to complete.

This trail is known for its year-round rideability, handling rain well and remaining accessible even in winter due to its low elevation. There are multiple access points, including from SE Grand Ridge Drive and Duthie Hill Mountain Bike Park, with ample parking available. Remember that it's a multi-use trail, so you'll be sharing the path with hikers and horseback riders.

A major highlight of the Grand Ridge Trail is its excellent connectivity to Duthie Hill Mountain Bike Park, allowing for longer, more challenging rides. You can easily link up with Duthie Hill's renowned skills park, creating extensive loops that offer a significant workout. It's a great option for riders looking to advance their skills beyond easier trails, providing sustained climbs and varied landscapes.

Moderate

This mountain biking loop from Issaquah takes you deep into the Duthie Hill Mountain Bike Park, a sprawling 120-acre network of trails nestled within a dense evergreen forest on the Sammamish Plateau. You'll experience a mix of singletrack through lush woods and rolling terrain, with the park's central clearing acting as a hub to access various routes. The well-built trails drain quickly, making it a reliable destination even after a good rain, and you can expect a diverse riding experience from flowy sections to more technical challenges.

To tackle this moderate 24.1-mile (38.8 km) route, plan for about 3 hours and 48 minutes of riding, including 2747 feet (837 metres) of elevation gain. The Duthie Hill Park Trailhead is your starting point, easily accessible from Issaquah, and offers ample parking. Thanks to the park's excellent drainage, you can enjoy these trails year-round, but checking trail conditions beforehand is always a good idea.

Duthie Hill is renowned for its community-driven design and maintenance, largely supported by the Evergreen Mountain Bike Alliance. This commitment has created a park that caters to all skill levels, from beginner-friendly trails like “Honey Badger” to advanced jump lines in the “Flowpark.” The park also connects to Grand Ridge Park to the south, offering even more extensive riding opportunities for those looking to extend their adventure.

Moderate
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Tips from the Community

Jamie S.
January 2, 2025, Harrison Park

Harrison Park is located on the eastern edge of the Issaquah Highlands, a pleasant residential neighborhood. This area is one of the "Seven Summits" and the park offers great views over the surrounding area and to the Issaquah Alps from this highpoint.

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It's a bench-cut trail on the hillside, so it provides plenty of elevation change. Very well-maintained path surrounded by a densely forested environment.

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The Issaquah-Preston Trail offers a delightful mix of paved and gravel surfaces, showcasing picturesque views of the East Fork and Issaquah Creek. Whether you're a hiker, biker, or equestrian, this trail promises an enjoyable experience for all.

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Grand Ridge Park has over 7 miles of trails through cedar trees and sword ferns on over 1,200 acres.

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The Issaquah-Preston Trail offers a delightful mix of paved and gravel surfaces, showcasing picturesque views of the East Fork and Issaquah Creek. Whether you're a hiker, biker, or equestrian, this trail promises an enjoyable experience for all.

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It provides a scenic and invigorating hiking adventure through lush forests and captivating terrain. Perfect for nature enthusiast or anyone seeking a refreshing outdoor escape.

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Round Lake offers a serene and picturesque setting for you to enjoy. With its varying water levels and seasonal changes, the lake provides a habitat for waterfowl and the chance to immerse oneself in the tranquility of nature.

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Matze
April 12, 2022, Beginner Pumptrack

Nice pump track. For beginners, but also everyone else 🤘

Translated by Google

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Frequently Asked Questions

How many mountain bike trails are available in Grand Ridge Park?

Grand Ridge Park offers a diverse network of mountain bike trails. You can find over 25 routes on komoot, catering to various skill levels.

What are the typical difficulty levels for mountain biking in Grand Ridge Park?

The trails in Grand Ridge Park generally range from moderate to challenging. While there are a few easier options, the majority are moderate, featuring varied terrain with rolling sections and some strenuous climbs. There are also a few difficult routes for experienced riders.

What kind of terrain and natural features can I expect on the mountain bike trails?

You'll ride through lush, dense forests dominated by large second-growth Douglas fir and western red cedar trees. The terrain includes steep climbs in the north and south, moderate rolling sections on the ridgetops, and areas with wetlands. Notable features include a 600-foot boardwalk and a 40-foot, hand-built bridge over Canyon Creek.

Are there any family-friendly mountain bike trails in Grand Ridge Park?

While many trails offer a moderate challenge, some sections are suitable for families with older children or those comfortable with varied terrain. For a taste of the park's connectivity and a generally moderate experience, consider routes that link to Duthie Hill Park, which has dedicated skill areas. Always check the specific route details for elevation and technical features.

Can I connect to other mountain biking areas from Grand Ridge Park?

Yes, a significant advantage of Grand Ridge Park is its connectivity to Duthie Hill Park, a renowned mountain bike skills park. This allows for longer rides and access to a wider range of challenges. Routes like the South Trail – Duthie Hill Park Trailhead loop offer a direct connection.

What are some notable points of interest or landmarks along the mountain bike trails?

Beyond the impressive old-growth cedar groves and the scenic wetlands that feed Canyon Creek, riders often appreciate the unique trail features like the 600-foot boardwalk and the hand-built bridge over Canyon Creek. The park's elevation also offers dynamic views of the forested landscape.

What do other mountain bikers enjoy most about Grand Ridge Park?

The area is highly rated by the komoot community, with an average score of 4.9 stars. Reviewers often praise the park's extensive trail system, the beauty of its dense forests, and the varied terrain that provides a good cross-country workout. The connectivity to Duthie Hill Park is also a frequently highlighted benefit.

Are there any loop trails for mountain biking in Grand Ridge Park?

Yes, Grand Ridge Park offers several loop options for mountain bikers. For example, the Building in Grand Ridge Park – Coal Mine Trail loop is a popular moderate path that allows you to experience varied terrain within the park.

What kind of wildlife might I encounter while mountain biking in Grand Ridge Park?

Grand Ridge Park is home to a variety of wildlife. Riders might spot bears, cougars, and various bird species, including owls, especially in the quieter, more remote sections of the park. It's always advisable to be aware of your surroundings and respect wildlife habitats.

Is there parking available for mountain bikers at Grand Ridge Park?

Yes, there are parking areas that provide access to the trails. For instance, routes like the South Trail – Duthie Hill Park Trailhead loop often start from the Duthie Hill Park Parking Lot, which serves as a common access point for the interconnected trail network.

What is the best time of year to go mountain biking in Grand Ridge Park?

Grand Ridge Park offers enjoyable mountain biking for much of the year. The lush forests are particularly beautiful in spring and fall. While the trails are accessible in winter, be prepared for potentially wet and muddy conditions due to the park's wetlands and dense tree cover. Summer generally provides drier trails, but always check local conditions before heading out.

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