With its rolling, grassy hills and secluded, shady canyons, Briones is a secret wilderness with black-tailed deer, coyotes, squirrels, red-tailed hawks, turkey vultures, and, if you are lucky, other more reclusive creatures. Briones is an ideal park for hiking, running, and horseback riding over the park’s scenic trails; picnicking, birdwatching, and similar activities. http://www.ebparks.org/parks/briones