{{graticule | map = | n = San Bernardino | nw = Los Angeles | e = Borrego Springs | w = Long Beach | s = [[San Diego, California|San Diego] | se = Tecate, Mexico] }}
The Santa Ana graticule is at latitude 33, longitude -117. This area encompasses southern Orange County, Riverside, and North County San Diego. The graticule is approximately 20% ocean, and contains the large military base Camp Pendleton, which is mostly inaccessible to civilians.