Rancho Bernardo is the northernmost residential community within the City of San Diego. Rancho Bernardo is centered on Interstate 15 just south of Lake Hodges and the San Pasqual Valley. The community planning area encompasses approximately 6,511 acres. Rancho Bernardo is an upscale master-planned community that includes private parks and clubs for each neighborhood in the community. It is a sprawling community, with shopping malls, golf courses, and office parks typical of San Diego development.
There is an annual carnival-type street fair, RB Alive!, during the summer. Rancho Bernardo is also home to the oldest operating winery in Southern California, the Bernardo Winery Established in 1889 and family-owned and operated since 1927.