4.8
(37)
574
riders
13
rides
If you've ever tried to plan mountain biking in Skagit County, you know how quickly the options can feel overwhelming. With so many trails crisscrossing this beautiful corner of Washington, it's tough to tell which routes are genuinely worth your time and effort, and which are just filler. You want the highlights, the real gems, without all the guesswork.
That's where we come in. Our komoot community has ridden, mapped, and reviewed countless mountain bike routes across Skagit County. We've sifted through the data to bring you a curated shortlist of the trails that truly deliver, saving you from endless scrolling and ensuring your legs are spent on the best possible rides.
Mountain biking in Skagit County is defined by its incredible diversity, stretching from the coastal areas along the Salish Sea to the foothills of the Cascade Mountains. You'll find extensive forested areas, including old-growth sections, and numerous scenic lakes like Heart Lake and Cranberry Lake. The terrain offers everything from easy loops through river valleys to more challenging mountain bike trails with significant climbs, catering to all skill levels.
If you only do one ride, we'd point you to the Cranberry Lake to Heart Lake loop, an easy 9.6 miles (15.5 km) route that winds through the Anacortes Community Forest Lands, offering scenic lake views – perfect for a first visit or a relaxed day out. For those seeking a bigger challenge, the Lilly & Lizard Lake – Blanchard State Forest route is a difficult 7.1 miles (11.4 km) path featuring challenging climbs and descents through dense woodlands. With an average rating of 4.5 stars from over 20 reviews, our community agrees these trails are top-notch. Start exploring with komoot and discover your next favorite ride.
Last updated: May 10, 2026
5.0
(2)
10
riders
15.5km
01:30
280m
280m
The Cranberry Lake to Heart Lake loop offers a fantastic mountain biking adventure through the Anacortes Community Forest Lands, known for its engaging singletracks and diverse scenery. You'll pedal through lush evergreen forests, past towering Douglas-firs and majestic red cedars, with inviting lakeside views of Cranberry Lake and Heart Lake. The terrain is a fun mix of loamy buff, rocks, and roots, providing a dynamic ride that feels both natural and well-maintained.
This easy route covers 9.6 miles (15.5 km) with 904 feet (276 metres) of elevation gain, typically taking about 1 hour and 29 minutes to complete. It's a popular choice for riders of all skill levels, offering a high-quality outdoor experience without being overly strenuous. The extensive Anacortes Community Forest Lands network ensures well-built trails, making it a reliable option for a scenic ride.
As the most popular mountain bike trail in the Anacortes area, this loop benefits from strong community stewardship, ensuring its trails are environmentally sensitive and well-constructed. Beyond the beautiful lakes, some sections provide great views of the San Juan Islands, adding another layer to the scenic appeal. It's a prime example of the excellent multi-use trails available in this region.
2
riders
11.4km
01:21
410m
410m
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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12.3km
01:25
470m
470m
The Mount Erie & Sugarloaf loop is a fantastic mountain biking route that delivers big on views and varied terrain within the Anacortes Community Forest Lands. You'll navigate a moderate 7.6-mile (12.3 km) path that climbs 1529 feet (466 metres) over roughly 1 hour and 25 minutes, taking you through forested sections and up to two prominent viewpoints. From the summits of Sugarloaf and Mount Erie, you'll be treated to sweeping panoramas of the Puget Sound, the San Juan Islands, and the distant Olympic Mountains, with some sections featuring rocky, steep inclines that keep the ride engaging.
Planning your visit to the Mount Erie & Sugarloaf mountain biking trails is straightforward, but a map is essential due to the extensive and intersecting trail network. While there are no specific permit requirements mentioned, knowing your route beforehand will help you make the most of your time. The area is popular, so arriving earlier in the day might help with parking at the trailheads, especially on weekends, allowing you to enjoy the trails before they get too busy.
This loop is part of the larger Anacortes Community Forest Lands, a well-maintained system that welcomes mountain bikers, hikers, and even horses. The ability to combine both Sugarloaf and Mount Erie into a single, challenging trek is a key feature, offering a more active alternative to driving to the Mount Erie summit. It's a great way to experience the natural beauty and diverse landscapes of Fidalgo Island, providing a rewarding experience for those seeking advanced mountain biking routes near Anacortes.
20.6km
02:05
430m
430m
The Jasper Way to Whistle Lake loop offers a challenging mountain biking experience through the Anacortes Community Forest Lands. You'll ride through beautiful forested areas, past evergreen trees and mossy rocks, with the tranquil Whistle Lake providing a scenic backdrop. Expect a physically and technically demanding route, featuring significant climbing and technical sections with roots and rocks, making it a favorite for intermediate to advanced riders.
Planning your ride means being ready for a workout; this 12.8-mile (20.6 km) loop gains 1421 feet (433 metres) in about 2 hours and 4 minutes. A detailed map is highly advisable due to the many trail junctions within the extensive ACFL network. The Whistle Lake area is known for its steeper terrain compared to other sections, so come prepared for a rigorous ride.
This route is part of the larger Anacortes Community Forest Lands, which boasts over 50 miles of multi-use trails. The Whistle Lake area is considered the most demanding of the ACFL sections, offering a true test of skill and endurance. You might even encounter the famed "Starwars" section along trail 204, where riders feel like they are zipping through the trees on Endor.
24
riders
19.2km
02:21
730m
730m
Hard mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.
4.9
(16)
15
riders
17.5km
01:38
270m
270m
The Cranberry Lake – Heart Lake loop offers a delightful mountain biking experience through the diverse landscapes of the Anacortes Community Forest Lands. You'll pedal through lush evergreen forests, encountering flowy singletrack with sections of loamy buff, rocks, and roots, all while enjoying views of the San Juan Islands and passing by three freshwater lakes. This easy 10.9-mile (17.5 km) route, with 880 feet (268 metres) of elevation gain, typically takes around 1 hour and 37 minutes to complete, making it a perfect outing for a couple of hours.
To start your ride, head to the Heart Lake trailhead, which provides ample parking and serves as a central access point to the wider trail network. Given the extensive 50 miles of multi-use trails within the Anacortes Community Forest Lands, picking up a detailed map is a smart move to help you navigate and discover all the area has to offer. The trails are open to various users, so expect to share the path with hikers and equestrians.
What truly sets this loop apart is its location within the Anacortes Community Forest Lands, a remarkable 2,800-acre preserve offering high-quality outdoor recreation right within city limits. This area boasts 41 miles of engaging singletrack, showcasing the community's strong commitment to preserving natural spaces. Keep an eye out for wildlife, including bald eagles, as you explore this well-maintained and cherished local gem.
4.0
(1)
12
riders
14.2km
01:58
700m
700m
This moderate 8.8-mile (14.2 km) mountain bike loop, typically completed in about 1 hour and 57 minutes, offers a fantastic blend of forest riding and expansive views. You'll pedal through dense evergreen forests, eventually emerging to open viewpoints that showcase the majestic Whitehorse Mountain and the Stillaguamish Valley. The trail provides a good workout with 2295 feet (699 metres) of elevation gain, making it a rewarding experience for riders looking for a solid intermediate challenge.
To access the North Mountain loop, head to the North Mountain Bike Skills Area near Darrington, Washington. Parking is available at the skills area, which serves as the trailhead. Be aware that some access roads leading to the area might have chugholes, so drive carefully. While no specific permits are mentioned for this loop, it's always a good idea to confirm local requirements before your visit.
The North Mountain trail system is a significant community-backed project, aiming to become one of Washington's leading mountain bike destinations. It's designed to offer a progressive riding experience, from beginner-friendly loops at the skills area to more challenging expert-level trails further up the mountain. This particular loop provides a taste of the diverse terrain and scenic beauty that makes North Mountain a standout destination for mountain biking.
5.0
(1)
14
riders
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
12
riders
18.8km
02:30
840m
840m
Hard mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.
4.9
(14)
13
riders
24.6km
02:22
480m
480m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
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Popular around Skagit County
MTB Trails in Blanchard State Forest

MTB Trails in Saddlebag Island Marine State Park
MTB Trails in Fidalgo Bay Aquatic Reserve
MTB Trails in Burrows Island Marine State Park
MTB Trails around Anacortes
MTB Trails in Anacortes Community Forest Lands
MTB Trails in Cypress Island Natural Resources Conservation Area
MTB Trails around Alger

MTB Trails in Cypress Highlands Natural Area Preserve
Pacific Northwest National Scenic Trail — From Alpine to Alava through the untamed Northwest
Roadside lake in the Anacortes Community Forest Lands. People fish, swim, hike and bike here. Maybe horsies too. May be tainted by toxic algae in the summer months - check before you swim or let your dog swim.
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Blanchard State Forest encompasses 4,500 acres and is home to multiple lakes, ponds, streams, mountains, overlooks, and running trails. Some paths are flatter and wider, while others are tight singletrack on the side of a mountain. This is a great place to come for a long run with all the trail and loop options.
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Lizard Lake is a pretty mountain lake located on Blanchard Mountain in the Chuckanuts. Take a break and enjoy the beautiful setting.
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The path may test your mettle, but the vista from its peak is simply astounding. The views it bestows are genuinely breathtaking.
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This trail, a serene sojourn through a verdant forest, doubles as a rewarding cardio and leg workout with its unswerving ascent. The summit, however, grants a view that's nothing short of spectacular. Sugarloaf, a prominent peak in the Anacortes Community Forest, gifts you with reasonably splendid views of Mount Erie and the graceful expanse of Burrows Bay.
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Mount Erie, the crowning jewel of Fidalgo Island, offers awe-inspiring vistas. In 1934, a benevolent act by local entrepreneur Gus Hensler gifted 120 acres around its summit. Hensler, the son of German immigrants, left an enduring legacy, laying his claim to this land in 1889.
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This trail beckons with open arms to mountain bikers, equestrians, and hikers, offering the gift of seclusion. It graciously unfurls its beauty year-round, a voyage of undeniable worth. While cycling, take in the rich tapestry of forest life, from towering trees to a variety of ferns and delicate plants, a testament to nature's diversity.
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Skagit County offers a diverse range of mountain biking experiences, from coastal areas along the Salish Sea to the foothills of the Cascade Mountains. You'll find extensive forested areas, including old-growth forests, and numerous lakes like Heart Lake and Cranberry Lake. Trails vary from challenging mountain routes to scenic valley rides, catering to different skill levels.
Yes, Skagit County has several easy mountain bike trails. For instance, the Cranberry Lake to Heart Lake loop is an easy 9.6-mile route through the Anacortes Community Forest Lands, offering scenic lake views. The Cascade Trail, a 22.5-mile rail trail, also provides a scenic and generally flat ride through the Skagit Valley.
For more experienced riders seeking a challenge, Skagit County offers difficult trails such as Lilly & Lizard Lake – Blanchard State Forest. This 7.1-mile route features challenging climbs and descents through dense woodlands. Another difficult option is the Lizard Lake loop from Alger Park & Ride, which includes significant elevation gain over its 10.3 miles.
Many trails in Skagit County offer stunning natural features and panoramic views. For example, the Mount Erie & Sugarloaf loop leads through forested hills with panoramic viewpoints. You can also find breathtaking vistas at Samish Overlook, offering views of the San Juan Islands and the Skagit Valley, or Oyster Dome Overlook. The region is also home to the Skagit River, numerous lakes, and coastal areas along the Salish Sea.
Yes, Skagit County provides options for families. Little Mountain Park in Mount Vernon offers a Mountain Bike Skills Course, perfect for practicing. The park also has over 6.5 miles of single-track trails and a 1.4-mile road for easier climbs. The Cascade Trail is another excellent choice for families, being a dedicated rail trail with scenic views and no shoulder riding required.
Skagit County offers mountain biking opportunities throughout much of the year, but spring and fall are particularly popular due to milder temperatures and vibrant scenery. The region's diverse landscape means conditions can vary, so it's always a good idea to check local trail conditions before heading out, especially during wetter seasons.
Many mountain bike routes in Skagit County are designed as loops. Examples include the Jasper Way to Whistle Lake loop, a moderate 12.8-mile ride, and the Little Round Top – Cranberry Lake loop from Anacortes, which covers 12.7 miles. These loops allow riders to start and finish at the same point, making logistics easier.
The mountain bike trails in Skagit County are highly rated by the komoot community, with an average score of 4.5 stars from over 28 reviews. Riders often praise the varied terrain, from forested hills to scenic lake views, and the well-maintained paths that cater to different skill levels.
Absolutely. Little Mountain Park in Mount Vernon is a prime destination, offering extensive single-track trails and a skills course. The Anacortes Community Forest Lands (ACFL) also boast over 50 miles of multi-use trails, including popular routes around Cranberry Lake and Mount Erie. The Northern State Recreation Area near Sedro-Woolley provides additional trail options.
Yes, several trails in Skagit County offer substantial elevation gain for a challenging workout. For instance, the North Mountain loop from North Mountain Bike Skills Area features nearly 2,300 feet of ascent over its 8.8 miles, providing a demanding ride with rewarding views.
For longer rides, the Whistle Lake – Cranberry Lake loop from Western Washington University - Shannon Point Marine Center is a notable option, spanning 17.7 miles with moderate difficulty. The Cascade Trail, while not exclusively mountain biking, offers a 22.5-mile scenic ride through the valley.
Skagit County is rich in wildlife. While mountain biking, you might spot various bird species, including bald eagles, especially in winter. The forested areas are home to deer and other small mammals. Always be aware of your surroundings and respect the natural habitat.


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