5.0
(2)
118
riders
22
rides
If you've ever tried to plan gravel biking around Marietta-Alderwood, you know how overwhelming the options can be. With so many trails and paths, it's tough to tell which routes are genuinely worth your time and effort, and which are just filler. We get it – you want the good stuff, not the guesswork.
That's where komoot comes in. Our community has mapped, ridden, and reviewed these routes, giving you a curated shortlist of the best gravel bike trails in…
Last updated: May 29, 2026
5.0
(1)
20
riders
The South Bay Trail – Chuckanut Interurban Trail loop from Whatcom Community College offers a dynamic gravel biking experience, blending urban waterfront paths with scenic forested rail-trail sections. You'll enjoy…
10
riders
25.7km
01:28
280m
280m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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5.0
(1)
11
riders
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5
riders
19.2km
01:18
300m
300m
If you're looking for a gravel biking experience that blends serene lakeside paths with challenging climbs, the Lake Padden View – Pipeline Road loop from Bellingham is a solid choice.…
8
riders
55.0km
03:20
820m
820m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Run to the park and reward yourself with lunch at Keenan’s or a cup of coffee from Woods and enjoy the idea of the bay. Great park for the kids too!
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Maritime Heritage Park is an urban green space thats sits along Whatcom Creek, featuring paved and unpaved trails, picnic areas, and an amphitheater that accommodates up to 300 people. This area was once Bellingham's first sawmill, established in 1852.
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Lake Padden is a popular lake in Bellingham. There is a large park that surrounds the lake, that has a lot of picnic tables and grassy areas.
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Lake Padden is located in a 745 acre park that offers nearly every amenity you can think of, including an award winning 18-hole golf course! The lake is surrounded by forest with mountains just off in the distance.
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Nestled amongst a mix of deciduous and coniferous trees, shrubs, and grasses, the lake provides a serene escape. Previously a swampy environment, the lake now boasts a peaceful atmosphere.
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The South Bay Trail, crafted on the historic Bellingham & Skagit Interurban Railway, beckons with panoramic views of Bellingham Bay, adding allure to its popularity among trail enthusiasts.
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Boulevard Park, nestled on Bellingham Bay since 1980, captivates locals with serene sunsets, picturesque walks, and diverse amenities including a boardwalk, playground, and The Woods Coffee, a perfect retreat by the water.
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Fairhaven park is a massive 136-acre park. Amenities include shelters, sports-ball courts, restrooms, and spray park using fresh potable water!
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There are over 20 gravel bike trails documented in Marietta-Alderwood, offering a variety of experiences for different skill levels. You'll find options ranging from easy to difficult.
Yes, Marietta-Alderwood offers several beginner-friendly gravel bike trails. For a moderate ride with scenic views, consider the Lake Padden View – Pipeline Road loop from Bellingham, which is about 11.9 miles long and offers views of Lake Padden.
Absolutely. For those seeking a more challenging ride, the region has several difficult routes. A notable one is the View of Lake Whatcom – Y Road Cycling Route loop from Big Rock Park, which spans 41.4 miles and features significant elevation changes, providing extensive views of Lake Whatcom.
Many of the gravel biking routes in Marietta-Alderwood are designed as loops, making them convenient for starting and ending at the same point. Examples include the Boulevard Park – South Bay Trail loop from Bellingham and the South Bay Trail – Chuckanut Interurban Trail loop from Salmon Woods Open Space.
The gravel bike trails in Marietta-Alderwood are known for their diverse scenery, including extensive lake views, established parklands, and natural open spaces. You'll often ride alongside bodies of water like Lake Whatcom and Lake Padden, and through areas like Boulevard Park.
Yes, many routes pass by or near interesting attractions. You can explore areas like Lake Padden, the scenic Chuckanut Interurban Trail, and Boulevard Park. Some trails also offer viewpoints like the Lummi Island Overlook.
While gravel biking is enjoyable year-round, the spring, summer, and early fall months typically offer the most pleasant weather conditions for exploring the trails around Marietta-Alderwood. The region's varied terrain can be enjoyed in different seasons, but always check local weather forecasts.
Yes, routes that pass through or near urban parks often have facilities. For instance, the Boulevard Park – South Bay Trail loop from Bellingham goes through Boulevard Park, which is known for its amenities and nearby cafes in Bellingham.
The area is highly rated by the komoot community, with an average score of 5.0 stars. Reviewers often praise the diverse landscape, the beautiful lakefront paths, and the variety of trails that cater to different skill levels, from leisurely rides to challenging ascents.
Many routes in Marietta-Alderwood are designed to connect various parks and natural spaces. For example, the South Bay Trail – Boulevard Park loop from Whirlpool Falls links significant park areas, allowing for a continuous exploration of the region's green spaces and waterfronts.
Many routes start from locations with accessible parking. For instance, the View of Lake Whatcom – Y Road Cycling Route loop begins near Big Rock Park, and the South Bay Trail – Chuckanut Interurban Trail loop starts from Salmon Woods Open Space, both of which typically offer parking options.


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