Best lakes around Emerald Lake Hills, a hillside community southwest of Redwood City, California, are primarily found along a regional trail system. While the community features a private lake, the publicly accessible Crystal Springs Regional Trail provides access to several prominent reservoirs. This area is characterized by its natural landscapes and proximity to significant water bodies that serve the San Francisco Bay Area.
Last updated: July 7, 2026
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An easy, long stretch of relatively peaceful peninsula road, highly frequented by cyclists. Most Sundays, Rangers shut down a section of it for the exclusive use of bikers and walkers, from 9am to 3pm.
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The Crystal Springs Regional Trail is a top spot for cyclists, featuring mostly paved paths with minimal car traffic. The trail runs through scenic areas like Lower Crystal Springs Reservoir, offering beautiful lake views. On Sundays, you can ride the car-free Cañada Road segment for a more relaxed experience. Be mindful of the 15 mph speed limit, especially around hikers. The Sawyer Camp segment provides a gentle descent and stunning views, perfect for an easy ride through woodlands and along the reservoir.
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This small lagoon offers an excellent photo opportunity for visitors and photographers alike. Its calm, crystal-clear waters create a stunning mirror-like reflection of the iconic Oracle Buildings that surround it. The tranquil setting, combined with the striking architecture, makes it an ideal spot to capture breathtaking images, especially during sunrise and sunset.
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Lake Lagunita was created in 1870 to provide irrigation to the Palo Alto Stock Farm. The Lake has not been filled by the city since 2001, but is now fed by a drainage basin that serves as a important breeding ground for amphibians, rabbits, and squirrels.
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90 percent of San Francisco Bay's former wetlands have been destroyed by development, this one for the eponymous offices for Larry Ellison's company, who wants to be a famous sailor (judging by how he bought a 'victory' at the America's Cup), but apparently doesn't care much about protecting the waters he's sailing on.
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The 15-mile Crystal Springs Regional Trail is one of the best mostly paved bike trails with few cars in the Bay Area. It spans from San Bruno to Woodside and is routed along three gorgeous lakes and connector links amid riparian woodlands. On Sundays, you can combine the San Andreas and Sawyer Camp segments to south of Highway 92 to Cañada Road, which is closed to cars for Bicycle Sundays (See https://www.komoot.com/tour/11413421) Speed limit: 15 mph, difficult for high-end road bikes to stay below, so bring a bell: some hikers stand and talk in the center of the trail ;-) San Andreas segment: From Skyline Boulevard south of San Bruno Avenue the trail drops to the head of San Andreas Lake, with pretty views across to the west of the wilderness slope of Montara Mountain. It rides along the lake 2 miles to an access point near Larkspur and 0.6 miles to another (at Hillcrest) where it connects to the Sawyer Camp segment. Sawyer Camp segment: This is a gorgeous, easy bike ride, where you drop 400 feet over the span of 6 miles to Crystal Springs Dam. The route descends into riparian woodlands for 2.5 miles to Jepson Laurel picnic grounds, then runs along Crystal Springs Reservoir for 5.2 miles. You can continue another 1.7 miles to Cañada Road for Bicycle Sunday (no cars). Cañada Road/Crystal Springs segment: South along Upper Crystal Springs Reservoir for 2.1 miles to the Pulgas Water Temple. It continues another 2.1 miles past Filoli Botanical Center and Phleger Estate to Edgewood Road http://sfgate.com/outdoors/sundaydrive/article/Crystal-Springs-Trail-links-lakes-woodlands-4723374.php http://parks.smcgov.org/crystal-springs-regional-trail
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While Emerald Lake itself is private, the primary publicly accessible lakes in the area are the reservoirs along the Crystal Springs Regional Trail: Lower Crystal Springs Reservoir, San Andreas Lake, and Upper Crystal Springs Reservoir. These are part of the San Francisco Bay Area's water system and offer scenic views and recreational opportunities.
The lakes, particularly those along the Crystal Springs Regional Trail, are excellent for cycling and hiking. The trail offers mostly paved paths with scenic views. You can find various routes, including easy hikes like the Edgewood Trail Loop or Sylvan Loop. For cyclists, the Crystal Springs Regional Trail is a popular choice.
Yes, many areas around the lakes are family-friendly. The Crystal Springs Regional Trail, which runs along Lower Crystal Springs Reservoir, is known for its easy, mostly paved paths, making it suitable for families. Oracle Lagoon is also listed as family-friendly and offers photo opportunities.
Some areas are dog-friendly. For instance, Oracle Lagoon is listed as dog-friendly. However, regulations can vary, especially around reservoirs that are part of the public water system, so it's always best to check specific trail rules before visiting with your pet.
Along the Crystal Springs Regional Trail, you'll find scenic views of the reservoirs and riparian woodlands. The San Andreas segment offers views across San Andreas Lake towards the wilderness slope of Montara Mountain. The Upper Crystal Springs Reservoir also provides beautiful views of the foothills.
Yes, the Cañada Road/Crystal Springs segment of the trail along Upper Crystal Springs Reservoir leads to the Pulgas Water Temple. This architectural landmark features fluted columns and Corinthian capitals, offering a unique historical point of interest.
The Crystal Springs Regional Trail is popular year-round. However, for cycling, 'Bicycle Sundays' on Cañada Road (closed to cars) offer a particularly pleasant experience. Generally, spring and fall provide mild weather ideal for hiking and cycling, though the area can be enjoyed in all seasons.
Yes, the Crystal Springs Regional Trail offers easy, mostly paved sections, making it suitable for leisurely walks. The Sawyer Camp segment, for example, is described as a gorgeous, easy bike ride that descends through riparian woodlands.
The private Emerald Lake within the Emerald Lake Country Club is known for its seasonal operation (Memorial Day to Labor Day), with half the lake designated for swimming and the other for nature. It features sandy beaches, a high dive, a water slide, and is stocked with fish like crappie, bass, bluegill, and sturgeon for catch-and-release fishing for members.
Lake Lagunita was originally created in 1870 for irrigation. Today, it's fed by a drainage basin and serves as an important breeding ground for amphibians and small wildlife, making it a significant natural habitat.
Visitors appreciate the scenic beauty and the opportunities for outdoor recreation. The Crystal Springs Regional Trail is highly valued for its mostly paved paths, minimal car traffic, and beautiful lake views, making it ideal for cycling and walking. The tranquil setting of places like Oracle Lagoon also draws photographers.
Yes, the region offers gravel biking opportunities. You can explore routes like the San Francisco Bay and Ravenswood Trail Loop or more challenging options such as the San Andreas Lake – Kings Mountain Road loop.


Still not found your perfect lake around Emerald Lake Hills? Check out the guides of these regions to see even more beautiful places.