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Gravel rides
United States
Washington
King County

Marckworth State Forest

The best gravel rides in Marckworth State Forest

4.5

(14)

153

riders

10

rides

Gravel biking in Marckworth State Forest features an extensive network of logging roads that traverse diverse terrain. The landscape is characterized by rumpled, rocky hills, dense forests, and numerous creeks and streams. These varied surfaces offer a mix of challenging climbs and descents, providing routes suitable for different fitness and skill levels. The forest's active management contributes to a dynamic environment for outdoor exploration.

Best gravel bike trails in Marckworth State Forest

  • The most popular gravel bike trail is Swans Mill Pond loop from Lake Marcel-Stillwater, a 25.5 miles (41.1 km) trail that takes 3 hours 55 minutes to complete. This route offers a challenging loop through the forest, passing by the serene Swans Mill Pond.
  • Another top favourite among local gravel bikers is Sultan loop from Lake Marcel-Stillwater, a difficult 40.5 miles (65.3 km) path. This route explores the extensive logging roads leading towards the town of Sultan, featuring significant elevation changes.
  • Local gravel bikers also love the Tokul Creek Trestle – Snoqualmie Valley Trail loop from Cedarcrest High School, a 43.0 miles (69.2 km) trail leading through varied forest and along the Snoqualmie Valley Trail, often completed in about 5 hours 8 minutes.
  • Gravel biking in Marckworth State Forest is defined by extensive logging roads, rocky hills, and dense forests with numerous creeks and streams. The network offers options for different ability levels, from moderate to difficult routes.
  • The routes in Marckworth State Forest are highly rated by the komoot community with an average score of 4.5 stars from more than 10 reviews. More than 200 gravel bikers have used komoot to explore Marckworth State Forest's varied terrain.

Last updated: August 22, 2026

4.0

(1)

13

riders

#1.

Cedar Ponds Lake – Swans Mill Pond loop from Youngs Creek Falls

37km

02:46

510m

510m

Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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Hard

Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Hard
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Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Moderate

Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Moderate

Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

Moderate
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Popular around Marckworth State Forest

Hiking in Marckworth State Forest

Cycling in Marckworth State Forest

Running Trails in Marckworth State Forest

Road Cycling Routes in Marckworth State Forest

Tips from the Community

Hermann Fernandes Pais
August 21, 2026, Tolt Suspension Bridge

Cool views over the Snoqualmie river

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Duad1992
December 24, 2024, Tokul Creek Trestle

The Tokul Creek Trestle was built in the early 20th century to transport lumber and goods through the area. The bridge was part of the Northern Pacific Railroad and played an important role in the economic development of the area. https://blockblastonline.com

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It depends on the time of year if the geese are migrating. We did not see geese in the field, but at least five different groups of dozens in each in the sky maneuvering around each other. It took one flock that seemed to know where they were going to head south and lead the others in the right direction.

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Impressive trestle over Tokul Creek within easy reach of Seattle.

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This is a classically curved railroad trestle, well-maintained (thank goodness, because it is WAAAAAY up there!)

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Perfect trailhead for the Snoqualmie Trail. Good parking, porta potty, plenty of shade.

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Wonderful trail between Carnation and Snoqualmie - wooded, a slight uphill, good surface.

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From this interesting suspension bridge, you'll have great views of the Snoqualmie River next to the beautiful Tolt MacDonald Park.

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Frequently Asked Questions

How many gravel bike trails are available in Marckworth State Forest?

Marckworth State Forest offers a network of 15 gravel bike trails. These routes vary in difficulty, with 2 easy, 4 moderate, and 9 difficult options, providing diverse experiences for different skill levels.

What kind of terrain can I expect on the gravel bike trails in Marckworth State Forest?

The terrain in Marckworth State Forest is characterized by an extensive network of logging roads, offering a mix of surfaces from paved sections to light, loose gravel. You'll encounter rumpled, rocky hills, dense forests, and expansive wetlands, often with challenging climbs and descents. Wider tires are recommended for these varied conditions.

Are there any family-friendly or easier gravel bike routes in Marckworth State Forest?

While many routes in Marckworth State Forest are considered moderate to difficult, there are 2 routes categorized as easy and 4 as moderate. For a moderate option, consider the Nick Loutsis Park – Snoqualmie Valley Trail loop from Cedarcrest High School, which covers 55.7 km with less elevation gain compared to the more challenging trails.

What are some notable natural features or attractions to look out for while gravel biking?

Marckworth State Forest is rich in natural beauty. You can find serene spots like Swan's Mill Pond, which is featured on the Swans Mill Pond loop from Lake Marcel-Stillwater. The forest also boasts numerous creeks and streams, and from higher elevations like Elwell Cliffs or Platts Lookout, you might catch expansive views towards Mount Pilchuck and Three Fingers.

Is Marckworth State Forest suitable for dog-friendly gravel biking?

Yes, Marckworth State Forest is generally dog-friendly, allowing you to bring your canine companion along for your gravel biking adventures. Always ensure your dog is under control and follow any posted regulations regarding leashes or waste disposal.

What do other gravel bikers enjoy most about Marckworth State Forest?

The area is highly rated by the komoot community, with an average score of 4.5 stars from over 10 reviews. Riders often praise the extensive network of logging roads, the diverse and challenging terrain, and the sense of tranquility and remote exploration despite its proximity to urban areas.

Are there any long-distance gravel biking loops in the forest?

Yes, Marckworth State Forest offers several longer loop options. The Swans Mill Pond – Cedar Ponds Lake loop from Duvall is a challenging 77.8 km route, while the Tokul Creek Trestle – Snoqualmie Valley Trail loop from Cedarcrest High School covers 69.2 km, providing extensive riding through varied forest landscapes.

What kind of bike is best suited for the trails in Marckworth State Forest?

Gravel bikes with wider tires are ideal for the varied surfaces found in Marckworth State Forest, which range from paved sections to loose gravel logging roads. Mountain bikes are also suitable and can handle the challenging climbs and descents effectively.

Are there any specific permits or passes required for gravel biking in Marckworth State Forest?

A Washington State Discover Pass is required for vehicle access and recreation within Marckworth State Forest. Ensure you have this pass displayed if you are parking a vehicle at a trailhead.

Where can I find parking for gravel biking trailheads in Marckworth State Forest?

Parking is typically available at various access points to the forest's logging road network. Many routes, such as the Swans Mill Pond loop and Sultan loop, start from areas like Lake Marcel-Stillwater, which offer convenient access. Remember that a Washington State Discover Pass is required for vehicle access.

What is the best time of year to go gravel biking in Marckworth State Forest?

While Marckworth State Forest can be explored year-round, the best time often depends on weather conditions. Spring and fall offer pleasant temperatures and vibrant scenery. During wetter months, some gravel sections might become softer, so checking current trail conditions is advisable.

Are there any routes that lead towards nearby towns or offer connections to other trails?

Yes, some routes extend towards nearby towns or connect with other trail systems. For instance, the Sultan loop from Lake Marcel-Stillwater explores logging roads leading towards the town of Sultan. Additionally, the Tokul Creek Trestle – Snoqualmie Valley Trail loop from Cedarcrest High School incorporates sections of the Snoqualmie Valley Trail.

Most popular routes in Marckworth State Forest

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