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Gravel rides
United States
California
Santa Cruz County

Bonny Doon

The best gravel rides around Bonny Doon

4.8

(25)

223

riders

21

rides

Gravel biking around Bonny Doon offers routes through unique landscapes characterized by diverse ecosystems, including towering redwood forests and ancient sandhills. The region features the Santa Cruz Sandhills ecosystem, with its distinct soil type supporting various plant communities. Many routes provide views of the Pacific Ocean and traverse varied terrain, from challenging climbs in the Santa Cruz Mountains to scenic descents. This area provides a compelling array of outdoor activities for nature enthusiasts.

Best gravel bike trails around Bonny Doon

Last updated: July 11, 2026

5.0

(5)

59

riders

#1.

Twin Oaks Trail – Wilder Ridge Loop Trail loop from Swift Halt

36.6km

02:52

550m

550m

Hard gravel ride. Very good fitness required. You may need to push your bike for some segments of this route.

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Hard

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

Moderate
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Easy gravel ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.

Easy

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

Hard
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Tips from the Community

David B. Davis
August 30, 2025, UC Santa Cruz Coastal Science Campus

Nice little lookout point well off the beaten parh.

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What's special about this path is that it takes you from Santa Cruz to the Wilder Ranch Park without using Route 1. Once there, you have multiple dirt path choices to ride around up into the park.

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Northern entrance to the coastal park from Delaware Ave. The trailhead is pedestrian and biker only, The former road goes straight to the beach, while smaller trails turn east into the Monarch Butterfly Natural Preserve, and West into the upper portions of the State Beach Park.

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This overlook is worth the short detour off the trail. It's a great place to stop and enjoy the views. This is a pretty popular spot so be prepared for a crowd.

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The Seymour Marine Discovery Center is dedicated to educating the public about marine science research and ocean conservation. It offers the world's largest displayed whale skeleton, 14 aquarium tanks, a shark pool, and a large auditorium.

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The Wilder Ranch Bike Path is an entirely paved trail away from the nearby busy highway. The path helps connect Wilder Ranch State Park to Santa Cruz and is open to runners and walkers, too.

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The park originally had agricultural functions, but has since been returned to nature for all to enjoy. You have excellent views of the ocean, and this all along the way.

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Matthew
December 14, 2023, Four Mile Beach

Pretty much the entire trail passing through Four Mile Beach is up on the cliffside and offers expansive views, but this particular vantage point is worth taking a detour for.

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Frequently Asked Questions

How many gravel bike trails are available in Bonny Doon?

There are over 15 gravel bike trails around Bonny Doon, offering a variety of experiences through unique landscapes.

What is the overall difficulty level of gravel biking in Bonny Doon?

The trails in Bonny Doon cater to various skill levels. You'll find a good mix, with about 2 easy routes, 9 moderate routes, and 5 difficult routes, ensuring options for both casual riders and experienced gravel bikers.

Are there any easy gravel bike trails suitable for beginners in Bonny Doon?

Yes, there are a couple of easier routes. For a moderate option that's still accessible, consider the Wilder Ranch Bike Path – Wilder Dairy Cultural Preserve loop from Swift Halt. This 12.4-mile trail leads through coastal preserves and open landscapes, offering a less strenuous ride.

What kind of terrain can I expect on gravel bike trails in Bonny Doon?

You can expect diverse terrain ranging from challenging climbs to scenic descents. Routes often traverse redwood forests, ancient sandhills, and coastal areas, with some sections featuring unpaved paths and graveled surfaces. The unique Santa Cruz Sandhills ecosystem adds to the varied landscape.

What natural features or landmarks can I see while gravel biking in Bonny Doon?

Many routes offer stunning views of the Pacific Ocean. You'll also ride through picturesque redwood forests and the unique Santa Cruz Sandhills ecosystem. Notable natural highlights in the broader area include Shark Fin Cove Beach, Natural Bridges State Beach, and the impressive Cathedral Redwoods.

Are there challenging gravel routes for experienced riders?

Absolutely. Bonny Doon offers several difficult routes for experienced gravel bikers. A challenging option is the Needle Rock – Wilder Beach Natural Preserve loop from Swift Halt, a 30.2-mile path with extensive views and demanding sections through natural preserves.

Are there any loop gravel bike trails in Bonny Doon?

Yes, many of the gravel bike trails in Bonny Doon are designed as loops. For example, the popular Twin Oaks Trail – Wilder Ridge Loop Trail loop from Beach Station (Santa Cruz) is a 25.4-mile circular route that takes you through coastal areas and redwood forests.

What do other gravel bikers enjoy the most about gravel biking in Bonny Doon?

The area is highly rated by the komoot community, with an average score of 4.8 stars from over 15 reviews. Reviewers often praise the varied terrain, the stunning redwood forests, and the beautiful coastal views that define the riding experience in Bonny Doon.

Are there any routes that offer views of the Pacific Ocean?

Yes, many routes in Bonny Doon provide spectacular views of the Pacific Ocean, especially those that traverse coastal areas or climb to higher elevations. The region's proximity to the coast ensures frequent scenic overlooks.

Can I find routes that combine redwood forests and coastal scenery?

Definitely. Bonny Doon is renowned for its unique blend of ecosystems. Many gravel routes, such as the Wilder Ridge Loop Trail – Wilder Beach Natural Preserve loop from Swift Halt, will take you through both majestic redwood forests and along scenic coastal landscapes, offering a diverse riding experience.

What are some of the unique natural areas I might encounter?

You'll encounter the rare Santa Cruz Sandhills ecosystem, particularly within the Bonny Doon Ecological Reserve. This area features unique soil that supports endemic plant and wildlife species, including ponderosa pine and various manzanita. It's a distinct landscape not found in many other places.

Are there any trails that are particularly good for exploring the unique sandhills ecosystem?

While some trails within the Bonny Doon Ecological Reserve are hiking-only, the broader area's gravel routes often pass through or near the Santa Cruz Sandhills ecosystem. These areas are characterized by unique soil and vegetation, offering a distinct riding environment. Always check local signage for bike access.

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