Walk across the east bay as you virtually tour three of your East Bay Regional Parks. Join Naturalists to discover some of the plants, animals, and habitats that make each park a special place. Through interactive videos and images, a naturalist will teach you the about some of the wonders found in each area. East Bay Regional Park District is a system of beautiful parklands and trails in Alameda and Contra Costa counties to the east of San Francisco. The system comprises nearly 125,000 acres in 73 parks, including over 1,250 miles of trails. Each of these parks protect the plants, animals, ecosystems, and history that makes the East Bay such a unique place.