The best gravel rides around Emerald Lake Hills
4.5
(2)
51
riders
8
rides
Gravel biking around Emerald Lake Hills offers diverse terrain across rolling, oak-studded hills, woodlands, and grasslands. The region features extensive trail networks and unpaved segments suitable for gravel bikes. This area, part of the San Francisco Peninsula, provides access to preserves and challenging routes with significant elevation changes. The landscape includes varied habitats and scenic backdrops for outdoor activities.
Best gravel bike trails around Emerald Lake Hills
- The most popular gravel bike trail is San Andreas Lake β Kings Mountainβ¦
Last updated: June 28, 2026
4.0
(1)
4
riders
29.7km
02:00
40m
40m
Easy gravel ride. Great for any fitness level. Mostly paved surfaces. Suitable for all skill levels.
4
riders
48.2km
03:59
1,300m
1,300m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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2
riders
13.9km
01:13
440m
440m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
7
riders
118km
07:56
1,750m
1,750m
Hard gravel ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
2
riders
11.9km
01:20
420m
420m
Moderate gravel ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Tips from the Community
Miramar Beach offers a serene coastal escape with sandy shores and scenic vistas. Visitors can enjoy leisurely walks along the shoreline or explore the nearby California Coastal Trail, which provides stunning ocean views and connects to other local attractions.
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Lower Crystal Springs Reservoir is part of the Crystal Springs Reservoir system, and provides water to the San Francisco Bay Area. The area surrounding the reservoir is rich in biodiversity, home to rare and endangered species like the San Mateo thornmint and the Marin Dwarf Flax. While recreational activities on the water are restricted to protect the watershed, the adjacent Crystal Springs Regional Trail offers scenic views for hikers and cyclists.
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San Andreas Lake is a hidden gem tucked into the hills of San Mateo County, just south of San Francisco. Originally a natural sag pond formed by the San Andreas Fault, it was transformed into a reservoir in the late 1800s and now serves as a vital water source for the region. The lake is off-limits for swimming or boating, but you can enjoy its peaceful beauty from the San Andreas Trail or the popular Sawyer Camp Trail, which runs along its eastern edge. It's a serene spot where you can walk or bike with sweeping views of the water and surrounding hills, all while standing right on one of the worldβs most famous fault lines. Despite its proximity to urban life, San Andreas Lake offers a quiet, scenic escape steeped in natural and historical significance.
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Borel Hill is my favorite place to watch spring flowers. The western slope near ancient oaks (5-10min west of Borel Hill) are covered with orange California Poppies and purple flowers starting in April. Borel Hill itself peaks around mid May and has a wide variety of flowers. The show lasts only a few weeks until end of May. The peak time and flower intensity varies from year to year, so come several times between April and May. There is small summit NW of Borel Hill and a narrow dirt trail leads you to a rock within 2 min. The rock is big enough for 2-3 to sit on. On a sunny day, the rock is nice warm even if the air is cold. Good views on the ocean and the Bay.
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Didnβt OLR used to turn into Dirt before reaching Skyline? Is it all pavement now?? Scott
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Ravenswood is a multi-use trail that encircles a wetland on the edge of the San Francisco Bay. You are likely to encounter a high number of local and migratory bird species while exploring the area, and though noise can be an issue near the highway it gets much quieter the further out you go.
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The San Francisco Bay Trail consists of over 350 miles of interconnected trails around the eponymous bay. This section, between the urban sprawl and evaporation bonds for salt mining, won't win any awards for its scenic views. However, it is a nice separate trail that allows you to ride away from road traffic.
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Black Mountain, situated on Monte Bello Ridge, is a popular destination for hikers and mountain bikers. With an elevation of 2,812 feet, it's easy to understand why. From the summit, the views of the Santa Cruz Mountains and Silicon Valley are breathtaking.
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Frequently Asked Questions
How many gravel bike trails are available around Emerald Lake Hills?
The komoot guide features 10 gravel bike routes around Emerald Lake Hills, offering diverse terrain for various skill levels. You'll find a mix of easy, moderate, and difficult trails to explore.
What kind of terrain can I expect on gravel bike trails in Emerald Lake Hills?
The region is characterized by rolling, oak-studded hills, woodlands, grasslands, and chaparral plant communities. You can expect varied surfaces, from unpaved segments to more challenging gravel paths, often with significant elevation changes.
Are there any easy or beginner-friendly gravel bike routes in Emerald Lake Hills?
While many routes in the area feature significant climbs, there are options for those seeking a less strenuous ride. For a relatively flat experience, consider the San Francisco Bay and Ravenswood Trail Loop, which offers a mostly flat ride along the bay.
What are some notable natural features or landmarks I can see along the gravel bike trails?
Emerald Lake Hills and its surroundings offer several scenic highlights. You can enjoy views of the Lower Crystal Springs Reservoir and Upper Crystal Springs Reservoir. The area is also home to unique geological formations like the Tafoni Sandstone Formation. Edgewood County Park and Natural Preserve, known for its spring wildflowers, is also nearby.
Are there any loop trails for gravel biking in Emerald Lake Hills?
Yes, many of the gravel bike routes in the area are designed as loops. For example, the Skeggs Point β Blue Blossom Trail loop from Skeggs Point offers a moderate loop through forested areas, and the Old La Honda Road β Portola Road loop from Portola Valley is another popular option.
What is the best time of year for gravel biking in Emerald Lake Hills?
The region generally offers good gravel biking conditions year-round. Spring is particularly beautiful with abundant wildflowers, while fall provides pleasant temperatures and clear skies. Winter riding is also possible, though trails might be wetter after rain.
Are there any dog-friendly gravel bike trails in the Emerald Lake Hills area?
While specific regulations vary by preserve and trail, many open space preserves in the broader San Francisco Peninsula allow dogs on leash. It's always best to check the specific rules for each trail or park you plan to visit to ensure it's dog-friendly.
Where can I find parking for gravel biking trails in Emerald Lake Hills?
Parking availability varies by trailhead. Many regional parks and open space preserves in the area offer designated parking lots. For routes starting from towns like Redwood City or Portola Valley, street parking or public lots may be available. Always check local signage for parking restrictions.
What do other gravel bikers enjoy most about gravel biking in Emerald Lake Hills?
The area is highly rated by the komoot community, with an average score of 4.0 stars. Reviewers often praise the diverse terrain, the scenic oak-studded hills, and the extensive network of trails that offer a good challenge and beautiful views.
Are there any cafes or places to refuel near the gravel trails in Emerald Lake Hills?
Yes, towns surrounding Emerald Lake Hills, such as Woodside and Portola Valley, offer various cafes and eateries where you can refuel before or after your ride. These communities are known for being bike-friendly and often have establishments catering to cyclists.
What should I bring for a gravel biking trip in Emerald Lake Hills?
Given the varied terrain and potential for significant climbs, it's advisable to bring plenty of water, snacks, a repair kit (including spare tubes and a pump), and appropriate layers of clothing. A helmet is essential, and sunglasses are recommended for sunny days. Always carry a charged phone for navigation and emergencies.
Can I access the Crystal Springs Regional Trail with a gravel bike?
The Crystal Springs Regional Trail is a 15-mile, mostly paved bike trail. While primarily paved, its scenic views along the lakes make it a pleasant ride. Its connection to the broader area can provide access to diverse terrain suitable for gravel bikes, especially if you plan to venture onto unpaved sections in adjacent preserves.
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