Rancho San Antonio (Lugo) - a 29,513-acre (119 km2) Spanish land grant in present-day Los Angeles County, CaliforniaRancho San Antonio (Peralta) - a 44,800-acre (181 km2) Spanish land grant in present-day Alameda County, CaliforniaYorba Hacienda or Rancho San Antonio - the adobe house of Bernardo Yorba on his Rancho Cañón de Santa AnaRancho San Antonio (Mesa) - a 7,982-acre (32 km2) Mexican land grant in present-day Santa Clara County, CaliforniaRancho San Antonio County Park - a 289-acre (1.2 km2) Santa Clara county park, located on the former Mexican land grant in present-day Santa Clara County, CaliforniaRancho San Antonio Open Space Preserve - a 3,988-acre (16 km2) Midpeninsula Regional Open Space Preserve, adjacent to the county park, located on the former Mexican land grant in present-day Santa Clara County, California reference