4.3
(5)
46
riders
2
rides
Gravel biking in Shadow Cliffs Regional Recreation Area offers routes through a landscape shaped by its past as a gravel quarry, featuring an 80-acre lake and a chain of smaller lakes. The area is characterized by dirt and gravel pathways, many of which are wide, flat, and smooth. Trails provide a mix of sun and shade from mature trees, connecting to nearby parks for varied terrain and elevations.
Last updated: July 10, 2026
5.0
(1)
6
riders
Easy gravel ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.
10
riders
28.7km
01:54
310m
310m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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3
riders
31.5km
03:04
740m
740m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Popular around Shadow Cliffs Regional Recreation Area
Ruins of the old Olivina Winery. Julius Paul Smith build the estate and started growing wines in the area. From the late 1880s to 1904 Olivina was the largest wine producer in der area.
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There is a paved foot & bike path that runs straight through the park to Arroyo Road, though I am not sure if it actually has an exit onto the road. It continues further into Veterans Park. Of the gravel trails some are closed to bikes for nature preservation reasons. Others allow for a (mostly) easy gravel ride.
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Pleasanton Ridge Regional Park spans over 9,000 acres of forested ridge and features several viewpoints that provide stunning vistas of the surrounding area. The park has miles of trails with significant elevation changes, reaching over 1,600 feet in some areas.
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You might just catch a good look at Winery Pond from this trail. It's a handy landmark near the Winery Loop trail, although much like the rest of Sycamore Grove Park, you shouldn't expect much shade here.
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The Sunol Depot houses the Niles Canyon Railway, a museum that showcases the role of the railroad in the development of California, as well as the United States.
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An 847 acre open space park with many native animals that can be spotted from the hiking trails, such as deer, turkey, rabbits, gopher snakes, occasional coyotes, and plenty of bird life. There are many hiking and biking trails in the park, that can be combined to make loops and to access viewpoints. The Sycamore Grove charges a parking fee of $5. For more information, please visit larpd.org/sycamore-grove-park.
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You won't find much shade here, but this little pond still makes a nice break in the otherwise austere β although still beautiful β scenery.
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Great spot to rest, have your lunch and bask in the wide-open spaces unfolding in front of you. From canyon views and ridgetop vistas to peaks of neighboring mountain ranges.
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The trails in this area, including those within Shadow Cliffs Regional Recreation Area, are largely influenced by its history as a gravel quarry. You can expect a mix of dirt and gravel paths, often described as wide, flat, and smooth. While Shadow Cliffs itself offers relatively flat terrain, routes that connect to nearby parks like Sycamore Grove and Pleasanton Ridge Regional Park can introduce varying elevations and more challenging sections.
Yes, there are options for easier rides. For instance, the Sycamore Grove Park loop from East Stanley Boulevard & Murdell Lane is rated as easy, covering about 23 kilometers with minimal elevation gain. This type of route is generally suitable for those looking for a relaxed, traffic-free gravel biking experience.
The area is generally pleasant for gravel biking throughout much of the year. Spring and fall offer mild temperatures, which are ideal. Summers can be warm, so early morning or late afternoon rides are recommended. Winters are typically mild, but checking local weather conditions for rain is always a good idea, as some gravel paths might become muddy.
Absolutely. While Shadow Cliffs itself is relatively flat, you can connect to routes that offer more significant climbs and distances. For example, the Sunol Depot β Pleasanton Ridge viewpoint loop from Sunol is a challenging 31.5-kilometer route with over 700 meters of elevation gain, providing a robust workout for experienced gravel bikers.
Yes, several routes are designed as loops, allowing you to start and end at the same point. An example is the Augustin Bernal Community Park β Pleasanton Ridge Regional Park loop from Alameda County, which offers a moderate 15-kilometer ride through varied terrain.
Shadow Cliffs Regional Recreation Area is centered around an 80-acre lake, which is a prominent feature. The park also boasts a chain of smaller lakes and ponds connected by an arroyo, offering scenic beauty and opportunities for birdwatching. The trails often provide a mix of sun and shade from large trees, and connecting routes can lead to expansive views from higher elevations, such as those found in Pleasanton Ridge Regional Park.
Yes, Shadow Cliffs Regional Recreation Area provides parking facilities. It's advisable to check the park's official website or signage upon arrival for any potential parking fees or specific regulations.
The komoot community highly rates the experiences here, with an average score of 4.5 out of 5 stars. Reviewers often praise the peaceful, traffic-free nature of the trails, the scenic lake views, and the ability to connect different parks for varied ride lengths and difficulties. The smooth gravel surfaces are frequently highlighted as ideal for gravel biking.
The Shadow Cliffs Regional Recreation Area is located near Pleasanton and Livermore, which offer various amenities. You can find cafes, restaurants, and other services in these nearby towns to refuel before or after your ride.
Fall weather in the region is generally mild. Layering is recommended, as mornings can be cool and afternoons pleasant. A moisture-wicking base layer, a light jacket or vest, and comfortable cycling shorts or pants are usually suitable. Always check the forecast before heading out.
Shadow Cliffs Regional Recreation Area generally allows dogs on trails, but they must be on a leash. It's always best to check the specific park regulations or signage for any restricted areas or updated policies regarding pets before your visit.


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