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United States
Washington
Skagit County

Fidalgo Bay Aquatic Reserve

The best MTB trails in Fidalgo Bay Aquatic Reserve

4.9

(27)

44

riders

8

rides

Mountain biking in Fidalgo Bay Aquatic Reserve offers access to a diverse landscape characterized by extensive trail networks, forests, and freshwater lakes. The region, while primarily an aquatic reserve, is adjacent to the Anacortes Community Forest Lands (ACFL), providing over 50 miles of single and double track trails. These routes feature varied terrain, including uneven paths, small hills, and sections with rocks and roots, often with views of the San Juan Islands. The area combines coastal proximity with inland forested…

Last updated: July 12, 2026

4.9

(16)

15

riders

#1.

Cranberry Lake – Heart Lake loop from Heart Lake

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…

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Easy

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…

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

Moderate

5.0

(4)

10

riders

Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.

Easy

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

Moderate
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Popular around Fidalgo Bay Aquatic Reserve

Pacific Northwest National Scenic Trail — From Alpine to Alava through the untamed Northwest

Hiking in Fidalgo Bay Aquatic Reserve

Running Trails in Fidalgo Bay Aquatic Reserve

Road Cycling Routes in Fidalgo Bay Aquatic Reserve

Cycling in Fidalgo Bay Aquatic Reserve

Other adventures in Fidalgo Bay Aquatic Reserve

Pacific Northwest National Scenic Trail — From Alpine to Alava through the untamed Northwest

Hiking Collection by

Alex

Tips from the Community

Schlem
April 1, 2025, Heart Lake

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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Scott
October 30, 2023, View of Lake Campbell

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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Scott
October 30, 2023, Sugarloaf

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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Scott
October 30, 2023, Mount Erie Summit

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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Scott
October 30, 2023, Little Round Top Trail

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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Scott
October 27, 2023, Heart Lake

A sanctuary for paddlers and anglers, but its true magic lies in the ancient forest enveloping it. This 60-acre heart-shaped lake invites all, offering an embrace of nature's grandeur with towering Douglas-firs and majestic red cedars.

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Scott
October 27, 2023, Cranberry Lake

Cranberry Lake, a place of unrivaled beauty, beckons all who seek an easy, scenic trail with enticing swimming spots along the way. Cyclists find solace here, pedaling through the peaceful forest, relishing the lakeside views, and savoring the gentle to moderate challenges it offers.

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Scott
October 12, 2023, Sugarloaf

This trail, a delightful journey through a lush and captivating forest, offers a solid cardio and leg workout due to its consistent incline. However, the payoff comes at the top with a breathtaking viewpoint.

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Frequently Asked Questions

What kind of mountain biking difficulty can I expect in the Fidalgo Bay Aquatic Reserve area?

The trails in the Fidalgo Bay Aquatic Reserve area, particularly within the adjacent Anacortes Community Forest Lands (ACFL), offer a range of difficulties. You'll find easy loops around lakes, as well as moderate routes with significant elevation changes and technical sections featuring uneven terrain, small hills, rocks, and roots. There are 3 easy routes and 5 moderate routes listed in this guide.

Are there any beginner-friendly mountain bike trails near Fidalgo Bay Aquatic Reserve?

Yes, several trails are suitable for beginners. For example, the Cranberry Lake – Heart Lake loop from Heart Lake is an easy 10.8-mile route that winds through forested areas and past scenic lakes. Another accessible option is the Cranberry Lake loop from Anacortes, an easy 7.9-mile path.

Are there mountain bike trails with good viewpoints in the Fidalgo Bay Aquatic Reserve area?

Yes, the region offers trails with excellent views. The Mount Erie & Sugarloaf loop, for instance, provides significant elevation gain and panoramic views from higher points like Mount Erie. Additionally, many trails within the Anacortes Community Forest Lands offer glimpses of the San Juan Islands and coastal scenery.

What do other mountain bikers enjoy the most about mountain biking in the Fidalgo Bay Aquatic Reserve area?

The area is highly rated by the komoot community, with an average score of 4.9 stars from over 20 reviews. Reviewers often praise the diverse landscape, which combines extensive forest trails, freshwater lakes, and coastal views. The variety of routes catering to different ability levels, from easy lake loops to more challenging climbs, is also frequently highlighted.

Are there any circular mountain bike routes in the Fidalgo Bay Aquatic Reserve area?

Yes, many of the mountain bike trails in the area are circular. Examples include the Cranberry Lake – Heart Lake loop from Heart Lake, the Mount Erie & Sugarloaf loop, and the Little Round Top – Cranberry Lake loop from Anacortes, all designed as loops for a continuous riding experience.

What are the typical lengths of mountain bike trails in the Fidalgo Bay Aquatic Reserve area?

The mountain bike trails in this area vary in length. You can find routes ranging from approximately 7.6 miles (12.3 km) for a moderate ride like the Mount Erie & Sugarloaf loop, up to 12.7 miles (20.4 km) for routes such as the Little Round Top – Cranberry Lake loop from Anacortes. The average distance for routes in this guide is around 11.5 miles (18.5 km).

Where can I find parking for mountain biking near Fidalgo Bay Aquatic Reserve?

While the Fidalgo Bay Aquatic Reserve itself is focused on aquatic habitats, the adjacent Anacortes Community Forest Lands (ACFL) are the primary mountain biking destination. Parking is available at various access points to the ACFL, such as near Heart Lake or Cranberry Lake, which serve as starting points for many popular trails.

Are there any family-friendly mountain bike trails in the Fidalgo Bay Aquatic Reserve area?

Yes, there are family-friendly options, especially among the easier trails. The Cranberry Lake loop from Anacortes is an easy 7.9-mile route that is generally suitable for families. The broader Anacortes Community Forest Lands also offer trails with varying difficulty, allowing families to choose paths that match their skill levels.

Can I bring my dog on mountain bike trails near Fidalgo Bay Aquatic Reserve?

Many trails within the Anacortes Community Forest Lands (ACFL), which are the main mountain biking area adjacent to Fidalgo Bay, are dog-friendly. However, it's always recommended to keep dogs on a leash and to check specific trail regulations before you go, as rules can vary.

What is the best time of year to go mountain biking in the Fidalgo Bay Aquatic Reserve area?

The Fidalgo Bay Aquatic Reserve area, including the Anacortes Community Forest Lands, offers mountain biking opportunities year-round. However, spring and fall often provide the most pleasant conditions with milder temperatures and less precipitation. Summers are generally dry and warm, while winters can be wet, so appropriate gear is essential during the colder, wetter months.

Are there cafes or accommodation options near the mountain bike trails?

Yes, the city of Anacortes, located very close to the Fidalgo Bay Aquatic Reserve and the Anacortes Community Forest Lands, offers a variety of cafes, pubs, and accommodation options. You'll find places to refuel and stay within a short drive of the trailheads.

What other outdoor activities can I combine with mountain biking in the Fidalgo Bay area?

Beyond mountain biking, the Fidalgo Bay area offers a wealth of outdoor activities. You can enjoy hiking on trails with views of the bay, explore the diverse marine habitats of the Fidalgo Bay Aquatic Reserve, or cycle on paved routes like the Tommy Thompson Parkway, which provides elevated views of the bay. The area is also excellent for wildlife spotting, particularly migratory water birds.

Most popular routes in Fidalgo Bay Aquatic Reserve

Family-friendly hikes in Fidalgo Bay Aquatic Reserve

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