Contra Loma Regional Park
Contra Loma Regional Park has 780 acres that includes an 80 acre reservoir that has shoreline trails as well as other trails that can be used hikers, horses and bicycles and six picnic sites.
7 AM to sunset
There are parking and dog fees but guide dogs are free.
There is wheelchair accessible drinking water, parking, restrooms, shady picnic areas near the lakes swim lagoon.
Address1200 Frederickson Lane
To reach Contra Loma from Highway 4 in Antioch, exit on Lone Tree Way, go right on Golf Course Road and right on Frederickson Lane to the park.
Phone: 888-327-2757, option 3, extension 4518