Eastern Ventura County Conservation Authority Eastern Ventura County Conservation Authority The Santa Monica Mountains Conservancy and the County of Ventura formed this joint powers authority in 1990 to facilitate the opening and operation of Happy Camp Canyon Regional Park. Happy Camp is a 3,000-acre wilderness area in the Rim of the Valley Trail Corridor between Moorpark and Simi Valley in the Santa Susana Mountains. Under an agreement with EVCCA, the MRCA provides ranger services and volunteer trail assistance for the park. Board MembersVacancy Member of the Conservancy appointed by the ConservancyHon. Linda ParksMember of the Conservancy serving as the representative of the County of Ventura VacancySupervisor, 4th District, County of Ventura Joint Powers Agreement