Spanish for “holy land,” or “holy ground” Tierrasanta is a community, encompassing approximately 11 square miles, lies roughly northwest of the San Diego River, north of Friars Road, south of State Route 52, and east of Interstate 15. The 818 acres of Tierrasanta Open Space qualifies this urban park as one of the 150 largest in the United States. The symbol of Tierrasanta is an encircled Conquistador cross, similar to the Montserrat Cross of Barcelona, Spain, though it holds no religious meaning. The community is referred to as “The Island in the Hills” by locals and on welcome signs.