4.0
(2)
43
riders
4
rides
Gravel biking in The Forest Of Nisene Marks State Park offers diverse terrain within the Santa Cruz Mountains, characterized by extensive second- and third-growth redwood forests. The park features a network of gravel fire roads and "hike-and-bike" single-track trails, with elevations rising from near sea level to over 2,600 feet. Aptos Creek traverses many trails, and the area holds geological significance as the epicenter of the 1989 Loma Prieta earthquake.
Last updated: August 21, 2026
5.0
(1)
15
riders
57.4km
06:24
1,350m
1,350m
Embark on the Aptos Creek Fire Road Loop, a difficult gravel biking adventure that takes you through diverse landscapes. You will cover 35.7 miles (57.4 km) and climb a substantial 4437 feet (1352 metres) in elevation, typically taking around 6 hours and 23 minutes to complete. The route begins with gentle rollers past olive farms and vineyards before ascending into the majestic redwood forests of The Forest of Nisene Marks State Park, offering a rewarding challenge for experienced riders.
Planning your visit requires good to very good fitness due to the significant elevation gain and steep inclines, with some sections exceeding a 10% grade. While parts of the Aptos Creek Fire Road itself can help build stamina for beginners, the entire loop is considered a hard gravel ride demanding advanced riding skills. Be prepared for a long day in the saddle and ensure your bike is in excellent condition for the varied terrain.
This challenging loop offers more than just a workout; as you gain elevation, the scenery transitions to oak trees, and you might catch views of Aptos and the Pacific Ocean from overlooks like the Santa Rosalia Viewpoint. The long descent follows the path of a former logging railroad, providing a shaded and historically rich journey back. It's a route that combines natural beauty with a glimpse into the region's past.
3.0
(1)
3
riders
16.6km
01:51
420m
430m
The Hihn's Mill and Ridge Trail Loop offers a moderate gravel biking experience through the lush Soquel Demonstration State Forest. You will navigate a varied landscape, from scenic dirt and gravel climbs on Hihn's Mill Road to potentially technical singletrack sections on the Ridge Trail. This route covers 10.3 miles (16.6 km) with a total elevation gain of 1392 feet (424 metres), typically taking around 1 hour and 51 minutes to complete. Keep an eye out for glimpses of surrounding ridges and consider a stop at the Santa Rosalia Viewpoint for expansive vistas.
When planning your visit, remember that this route is situated within the popular Soquel Demonstration State Forest. Hihn's Mill Road serves as a crucial access point and return route for many trails in the area. Parking is generally available, but it is always wise to check local regulations before you arrive to ensure a smooth start to your ride. This forest is a favored spot for outdoor activities, so an early start can help you avoid crowds.
This loop provides a unique opportunity to explore a forest characterized by tall redwood trees and dappled sunlight filtering through the canopy. The combination of Hihn's Mill Road and the Ridge Trail offers a dynamic ride, blending smoother sections with more challenging terrain. The Soquel Demonstration State Forest is a significant natural area, making this route a great way to experience its diverse environment and extensive trail network.

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36.7km
03:44
740m
740m
The Mount Madonna County Park via Summit Road offers a challenging gravel biking experience, immersing you in towering redwood forests and diverse landscapes. This route takes you through oak woodlands, chaparral, and grassy meadows, with the reward of sweeping vistas of Monterey Bay and the Santa Clara Valley from its higher points. You'll encounter varied terrain, from paved sections to packed and loose gravel, dirt with tree roots, and ruts, making it a demanding 22.8-mile (36.7 km) ride.
This is a difficult route, requiring very good fitness and advanced riding skills to tackle its 2416 feet (736 metres) of elevation gain over an estimated 3 hours and 44 minutes. Be prepared for sustained, steep gradients on the climb to the summit. While Summit Road has had complicated public access in the past, it is currently open, though you might see some older, intimidating signs. Ensure your bike is equipped for varied gravel conditions.
Beyond the physical challenge, the trail offers unique natural and historical features. You can explore the ruins of Henry Miller's 19th-century mansion and might even spot the park's distinctive white fallow deer, descendants of Miller's private collection. An unexpected waterfall also adds to the scenic charm of this ride, making it a memorable adventure for experienced gravel cyclists.
23
riders
46.2km
03:09
570m
570m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
2
riders
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Popular around The Forest Of Nisene Marks State Park
Today, this area is a protected stand of Redwoods, but as you walk along the trail you are bound to come across the remnants of a once booming industry based on the cutting and selling of these magnificent trees.
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Stunning Natural Bridge Beach is known for its natural arches made of fine clay or mud rock, carved by time, water, and wind. The beach is also known for being home to a colony of monarch butterflies, with over 150,000 coming to live here for the winter. If you're lucky, you might even spot whales!
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The Indian Creek Railroad Bridge was once part of a rail system used to transport lumber and goods from the surrounding redwood forests. Today, it stands as a reminder of the regionโs industrial past. While the bridge is not accessible to pedestrians, it can be viewed from nearby trails.
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Summit Road has a long and complicated history of public access. These days it is court ordered to remain accessible to the public but you may see some intimidating signs saying that you are trespassing. As is usually the case, if you are respectful and courteous to the route and any home owners you encounter you shouldn't have any trouble.
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This 4,605-acre park covers a large area of Redwood forest. There are many miles of trails, campsites, guided trail rides and more.
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Hihn's Mill Road serves as an access point for most of the rides in the area. It's right by the parking lot some most of the time you'll be starting or ending your ride along this stretch of double track.
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Seacliff State Beach is a long stretch of sand backed by bluffs and is best known for its concrete freighter, the SS Palo Alto, lying in the water just off the beach.
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The Santa Cruz Beach Boardwalk is California's oldest surviving amusement park. This 24-acre park was founded in 1907 and offers old-fashioned carnival games and food booths.
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Komoot currently features 4 gravel bike routes in The Forest Of Nisene Marks State Park. However, the park itself offers over 30 miles of recreational trails, including extensive gravel fire roads and 'hike-and-bike' single-track options, providing diverse terrain for gravel biking.
You can expect diverse terrain, from extensive gravel fire roads to 'hike-and-bike' single-track trails. Many routes feature climbs through scenic redwood forests, with elevations rising from near sea level to over 2,600 feet. Some trails offer a 'mellow, rollercoaster-like cruise' through redwood groves, while others present challenging ascents and descents, such as the 1,800 feet of elevation gain on a 17.5-mile route that is 94% gravel.
Yes, several routes offer significant climbs and the reward of distant ocean views. For instance, the Santa Rosalia Mountain to Seacliff State Beach loop includes a substantial climb to the Santa Rosalia Viewpoint, where you can enjoy ocean vistas before descending. Another popular option is the gentle 11-mile climb to the Santa Rosalia Viewpoint, which also offers ocean views.
The park is rich in natural beauty and historical significance. You'll ride through towering redwood forests and fern-lined canyons, often alongside Aptos Creek. Notable points of interest include the Top of the Incline viewpoint and the serene Tillman Grove. The park also holds geological significance as the epicenter of the 1989 Loma Prieta earthquake, and you can find evidence of historic logging sites.
While not directly on a gravel bike trail, the park features Maple Falls. Reaching it typically involves a challenging 10-mile round trip hike that weaves through fern-lined canyons and across creek beds. It's a rewarding destination for those willing to combine biking with a hike.
The park offers varied terrain, and while some routes are challenging, there are also trails described as a 'mellow, rollercoaster-like cruise' through redwood groves, which might be suitable for families. It's advisable to check individual route descriptions for difficulty and elevation to ensure they match your family's skill level.
The park's lush evergreen canopy provides shade, making it enjoyable across many seasons. However, checking current trail conditions is always recommended, especially after heavy rains, as creek crossings and trail surfaces can be affected. The recovering redwood forests offer beautiful scenery year-round.
Yes, there are several loop options. A popular choice is the Santa Rosalia Mountain loop via Hihn's Mill Road, which winds through scenic redwood forests. Another is the longer Santa Rosalia Mountain to Seacliff State Beach loop, offering a more extensive ride.
The Forest of Nisene Marks State Park has designated parking areas. For specific details on parking locations and any potential fees, it's best to consult the official park website or local signage upon arrival. You can find more information about the park at parks.ca.gov.
The park is home to diverse wildlife. You might spot black-tailed deer, raccoons, gray foxes, bobcats, coyotes, and the iconic banana slugs. The streams provide habitat for threatened California red-legged frogs and endangered coho salmon. Birdwatchers can look for Steller's jays, varied thrushes, Pacific wrens, and northern spotted owls.
The trails vary in difficulty, catering to different skill levels. You can find options ranging from moderate cruises through redwood groves to challenging routes with significant ascents and descents. For example, the Mount Madonna County Park via Summit Road is considered a difficult trail with challenging climbs, while the Santa Rosalia Mountain loop via Hihn's Mill Road is rated as moderate.
The Forest of Nisene Marks State Park has specific regulations regarding dogs on trails. Generally, dogs are permitted on paved roads and fire roads but may be restricted from certain single-track trails or wilderness areas. It's always best to check the official park rules for the most current information before bringing your dog.


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