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MTB trails
United States
Washington
King County

Lake Sammamish State Park

The best MTB trails in Lake Sammamish State Park

4.9

(95)

632

riders

19

rides

Mountain biking in Lake Sammamish State Park offers a network of trails primarily characterized by dense forests and rolling terrain. The region features purpose-built mountain bike parks like Duthie Hill, providing varied singletrack and flow trails. Riders can expect routes that navigate through wooded areas, with some trails offering views of the surrounding natural landscape. The park's proximity to Lake Sammamish contributes to a diverse environment for outdoor activities.

Best mountain bike trails in Lake Sammamish State Park

  • The most…

Last updated: April 27, 2026

7

riders

#1.

Yellow Lake – Duthie Hill Park Trailhead loop from Eastside Fire & Rescue Station 83

22.1km

01:37

310m

310m

Moderate mountain bike ride. Good fitness required. Advanced riding skills necessary.

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Moderate

5.0

(4)

73

riders

24.0km

02:26

560m

560m

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

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

Moderate

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

Moderate

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

Moderate
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Popular around Lake Sammamish State Park

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Tips from the Community

Andrus
January 21, 2025, Yellow Lake

Yellow Lake is in the Klahanie community and gets its name from the yellow water lilies that grow in it. The trail that encircles the lake is a big draw for those seeking a bit of outdoor time.

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Alex
February 22, 2024, Klahanie Park

Klahanie Park features Yellow Lake and offers a children's play area and a community vibe. It has a 1.25-mile jogging and cycling track with wide gravel trails, accessible from multiple entry points.

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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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Tyler Sanders
February 22, 2024, Round Lake

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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Alex
February 22, 2024, Yellow Lake

Yellow Lake is the crown jewel of Klahanie Park and has a viewing platform on its west-west side. There is a plethora of wildlife that calls Yellow Lake home, but visitors will almost always see ducks here. It's important to note not to feed the ducks, and there are a few signs around the park reminding visitors not to.

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Alex
February 22, 2024, Klahanie Park

Klahanie Park features Yellow Lake and offers a children's play area and a community vibe. It has a 1.25-mile jogging and cycling track with wide gravel trails, accessible from multiple entry points.

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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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Tyler Sanders
December 13, 2023, Round Lake

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.

1

0

Frequently Asked Questions

How many mountain bike trails are available in Lake Sammamish State Park?

There are 18 mountain bike trails available in Lake Sammamish State Park on komoot. These include 5 easy, 12 moderate, and 1 difficult route, offering options for various skill levels.

What is the best time of year for mountain biking in Lake Sammamish State Park?

The region generally offers good riding conditions from spring through fall. While some trails may be accessible in winter, conditions can be wet and muddy due to rain, so checking local trail reports is advisable.

Are there any family-friendly mountain bike trails in Lake Sammamish State Park?

Yes, there are several easier routes suitable for families. For instance, the Beginner Pumptrack – Duthie Hill Park Trailhead loop from Issaquah is a moderate 17.5 km route that offers a good introduction to the area's riding, including features at Duthie Hill Park.

Where can I find advanced mountain bike routes in the area?

For a more challenging experience, consider the East Tiger Summit Trail – Northwest Timber Trail loop from Issaquah. This difficult 55.2 km route features significant elevation gain and extensive forest riding on Tiger Mountain, providing a demanding adventure for experienced riders.

Are there mountain bike trails that offer scenic viewpoints?

Many trails in Lake Sammamish State Park navigate through dense forests. While direct lake views might be intermittent, routes often provide glimpses of the surrounding natural landscape. The park's proximity to Lake Sammamish itself offers opportunities for scenic stops before or after your ride.

Are there any loop trails for mountain biking in Lake Sammamish State Park?

Yes, many of the trails are designed as loops or can be combined to form circular routes. A popular option is the Yellow Lake – Duthie Hill Park Trailhead loop from Eastside Fire & Rescue Station 83, a 22.1 km moderate trail that explores the varied features of Duthie Hill Park.

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

The trails primarily feature dense forests and rolling terrain. You'll find a mix of singletrack and flow trails, especially in dedicated mountain bike parks like Duthie Hill, which is known for its purpose-built features and varied riding surfaces.

What do other mountain bikers enjoy most about the trails in Lake Sammamish State Park?

The area is highly rated by the komoot community, with an average score of 4.9 stars from over 90 reviews. Riders often praise the well-maintained trails, the variety of features at Duthie Hill Park, and the immersive experience of riding through the dense woodlands.

Are there any longer mountain bike routes for endurance riders?

For those seeking longer distances, the Grand Ridge Trail offers a substantial ride. This moderate 24.0 km trail leads through extensive woodlands and is often completed in about 2 hours 26 minutes, providing a good challenge for endurance.

Is there parking available near the mountain bike trailheads?

Yes, parking is generally available at or near the main trailheads, particularly for popular areas like Duthie Hill Park. It's always a good idea to check specific route details or park websites for the most current parking information and any potential fees.

Are there any cafes or amenities close to the mountain bike trails?

While the trails themselves are often in natural, forested settings, Lake Sammamish State Park is located near Issaquah, which offers various amenities including cafes, restaurants, and shops. You can find options for refreshments and supplies a short drive from the park's main access points.

Can I access the mountain bike trails using public transport?

Access to Lake Sammamish State Park and its surrounding trail networks via public transport can be limited. While some bus routes may serve areas near the park, reaching specific trailheads often requires a car or a combination of public transport and a short ride or walk. Planning your journey in advance is recommended.

Most popular routes in Lake Sammamish State Park

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