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
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…
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…

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8
riders
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
5.0
(4)
10
riders
12.8km
01:12
230m
230m
Easy mountain bike ride. Great for any fitness level. Suitable for all skill levels.
4.8
(8)
8
riders
20.6km
02:04
480m
480m
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
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Popular around Fidalgo Bay Aquatic Reserve
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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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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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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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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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.
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.
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.
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.
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.
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).
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.
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.
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.
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.
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.
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.


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