Best lakes in Contra Costa County are situated in California's East Bay, offering diverse recreational activities and scenic beauty. This region is characterized by its aquatic destinations, including several notable lakes and reservoirs. These bodies of water provide opportunities for outdoor activities such as fishing, boating, and hiking. The area's natural landscape features rolling hills and protected wildlife habitats.
Last updated: April 26, 2026
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Popular around Contra Costa County
Bay Area Ridge Trail β Circumnavigating the San Francisco Bay
Bay Area Ridge Trail β Hiking the backbone of The Bay
Hiking treasures in the Bay Area
Hiking in Contra Costa County
Cycling in Contra Costa County
Road Cycling Routes in Contra Costa County
MTB Trails in Contra Costa County
Running Trails in Contra Costa County

Gravel biking in Contra Costa County
Wildcat Creek Trail is a packed-dirt trail that is about four miles long. One end of the trail is at Jewel Lake, near the Environmental Education Center, and the other end of the trail is at the Alvarado Staging Area. This trail offers great views of Wildcat Creek and has some picnic tables you could stop at along the side of the trail.
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There are a bunch of great hiking and biking trails around the reservoir. Some, like the Shore Trail, are two-lane paved cycleways with no vehicle traffic, and others are unpaved dirt roads up in the hills. All are beautiful trails to explore on two wheels!
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The Lafayette Reservoir Recreation Area is a year-round park with a 2.7 paved walkway around the reservoir. Looking around at the surrounding hills makes you forget you're in the middle of a Bay Area suburb.
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This 102-acre park, situated on a former farm, features two lakes, community gardens, sports fields, an equestrian center, a dog park, and sections of the Contra Costa and Ygnacio Canal Trails.
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Contra Loma Reservoir is an 80-acre reservoir located in Contra Loma Regional Park that offers year-round fishing and summer swimming. Additionally, there are hiking and biking trails around the reservoir.
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Contra Loma Reservoir is an 80-acre reservoir located in Contra Loma Regional Park that offers year-round fishing and summer swimming. Additionally, there are hiking and biking trails around the reservoir.
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Inspiration Point sits at nearly 1,000 feet of elevation, offering views over Inspiration Creek, San Pablo Dam Road, and the San Pablo Creek reservoir. With parking and restroom facilities nearby, it's a good start-and-end point for a loop.
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Contra Costa County features a mix of reservoirs, natural lakes, and man-made parks with water features. You can explore diverse aquatic environments, from serene fishing spots to active hiking and boating destinations.
Yes, many lakes offer excellent hiking opportunities. For instance, Los Vaqueros Reservoir boasts approximately 55 miles of trails, ranging from gentle lakeside strolls to more challenging routes. You can also find trails around Lafayette Reservoir and within Contra Loma Regional Park. For more detailed hiking routes, explore the Hiking in Contra Costa County guide.
San Pablo Reservoir is renowned as one of the finest fisheries in the East Bay, regularly stocked with trout and catfish, alongside smallmouth bass and sturgeon. Lafayette Reservoir is also popular for fishing, with thousands of trout released annually, plus bass, catfish, and bluegill. Los Vaqueros Reservoir and Contra Loma Reservoir also offer year-round fishing opportunities.
Boating is a popular activity. San Pablo Reservoir has a six-lane boat launch and offers rentals for patio boats, motorboats, kayaks, and rowboats. Lafayette Reservoir provides rowboat and pedal boat rentals. At Los Vaqueros Reservoir, electric rental boats are available, though private motorized boats are generally not permitted as it's a drinking water source.
Absolutely. Lake Anza in Tilden Regional Park is a popular spot with a sandy beach, perfect for cooling off. San Pablo Reservoir offers picnic sites, barbecues, and a children's playground. Contra Loma Reservoir is great for families, providing summer swimming and various activities within Contra Loma Regional Park. Lafayette Reservoir Recreation Area also has numerous picnic areas and easy trails.
Lafayette Reservoir features a convenient 2.7-mile paved walkway around the reservoir, ideal for easy walks, jogging, or cycling. The Wildcat Creek Trail, near Jewel Lake, is an easy dirt road suitable for a pleasant ride or walk. For more easy options, check out the Easy hikes in Contra Costa County guide.
The lakes and surrounding areas are rich in wildlife. Los Vaqueros Reservoir is a protected habitat for species like golden eagles, bald eagles, and the San Joaquin kit fox. San Pablo Reservoir is excellent for bird watching, with white pelicans and various migratory waterfowl. Jewel Lake is known for excellent bird and wildlife viewing.
Yes, dogs on leashes are permitted at Lafayette Reservoir. Contra Loma Reservoir is also noted as dog-friendly. Always check specific park regulations before visiting, as rules can vary.
Swimming is permitted at Contra Loma Reservoir during the summer months. However, swimming is generally not allowed at Los Vaqueros Reservoir (as it's a drinking water source), San Pablo Reservoir, or Lafayette Reservoir. Lake Anza has a sandy beach, but swimming may be restricted due to algae, so it's best to check local conditions.
Yes, View of San Pablo Reservoir from Inspiration Point offers stunning views over Inspiration Creek, San Pablo Dam Road, and the reservoir. There's also an Overlook - Briones Reservoir, providing views of the lake and its dam.
Many areas around the lakes offer cycling. The paved path around Lafayette Reservoir is suitable for cycling. For more extensive rides, you can find various routes in the region, including those detailed in the Cycling in Contra Costa County guide, which features routes like the Three Bears Loop and Mount Diablo trails.
While the main reservoirs are popular, exploring smaller spots like Twin Ponds or the areas around Jewel Lake might offer a more secluded experience. Jewel Lake, in particular, is a small lake in the forest, increasingly covered by vegetation, providing a quiet spot for wildlife watching.


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