Welcome to the District 4 Website. District 4 includes: Groveland, Pine Mountain Lake, Big Oak Flat, Moccasin, Chinese Camp, Lime Kiln Road and Old Wards Ferry Road areas, Lake Don Pedro, Ranchos Poquitos, Standard, East Sonora, Hess Road and Peaceful Valley areas, Curtis Creek Ranch, Lambert Lake Estates and Whispering Woods. Features in District 4 include Standard Park, Sierra Railroad, Sierra Pacific Industries, Sierra Repertory Theatre, Sierra Pacific Industrial Park, Junction Shopping Center, Lake Don Pedro, Pine Mountain Lake Golf Course, Lake, & Airport, 58% of Yosemite National Park and Hetch Hetchy Reservoir.