Top Things To Do In Castro Valley CA Top Sights in Castro Valley, CAEast Bay Regional Park District – Public SafetyDon Castro Regional Recreation AreaLake Chabot Regional ParkHayward Japanese GardensFive Canyons ParkCull Canyon Regional Recreation AreaAnthony Chabot Regional ParkLake ChabotCastro Valley Community ParkHayward Area Historical SocietyEarl Warren Dog ParkSulphur Creek Nature CenterPalomares Hills ParkCarlos Bee ParkHayward Regional ShorelineGarin Regional ParkMeek ParkSan Felipe Community ParkKnowland ParkPalace Poker CasinoChabot ParkCrow Canyon RoadGreenridge ParkDry Creek Pioneer Regional ParkMcConaghy HouseGreenbelt Trails Hiking and Horseback RidingFairmont Ridge Staging AreaSan Lorenzo CreekEast Avenue ParkCherryland ParkRedwood RoadEdendale ParkHalcyon ParkSan Lorenzo Community Center ParkMartin Luther King Jr. Regional ShorelineClyde Woolridge StagingUpper San Leandro ReservoirBishop Ranch Regional PreserveSan Leandro CreekWestover WineryDonlon Point Staging AreaJordan PondTehan FallsBollinger Canyon RoadPhilip Kreycik Memorial