Aja viide. Aja lugu.

Don Castro Regional Recreation Area is a regional park located in Fairview, California. It is part of the East Bay Regional Parks system.

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East Bay Regional Parks
Parks	Alvarado Park Anthony Chabot Briones Castle Rock Contra Loma Coyote Hills Crockett Hills Del Valle Diablo Foothills Dublin Hills Dry Creek Pioneer Garin Lake Chabot Pleasanton Ridge Redwood Ridgelands Sobrante Ridge Tassajara Ridge Temescal Tilden Vargas Plateau Wildcat Canyon
Shorelines	Antioch/Oakley Big Break Brooks Island Carquinez Strait Hayward Martin Luther King Jr. Miller/Knox Oyster Bay Point Isabel Point Pinole Radke Martinez
Preserves/open spaces	Bishop Ranch Black Diamond Mines Brushy Peak Claremont Canyon Five Canyons Huckleberry Leona Canyon Mission Peak Morgan Territory Sibley Round Valley Sobrante Ridge Sycamore Valley Vasco Caves Waterbird
Wilderness areas	Las Trampas Ohlone Sunol
Recreation areas	Cull Canyon Don Castro Kennedy Grove Quarry Lakes Roberts Shadow Cliffs
Trails	Alameda Creek Iron Horse
Other	Ardenwood Historic Farm Browns Island Crown Memorial State Beach Eastshore State Park Hoffman Marsh Little Hills Picnic Ranch Point Molate Beach Park Breuner Marsh (now Dotson Family Marsh)