Rancho Cañón de Santa Ana

Rancho Cañón de Santa Ana was a 13,328-acre (53.94 km2) land grant in present-day Orange County, California, given by Mexican governor José Figueroa in 1834 to Bernardo Yorba.

For years, Bernardo and his brothers pastured animals on lands north of their father's rancho, and in 1834 Bernardo requested, and was granted, Rancho Cañón de Santa Ana.

Yorba continued to pasture lands even further east, and in 1846, Bernardo was granted Rancho La Sierra.

With the cession of California to the United States following the Mexican–American War, the 1848 Treaty of Guadalupe Hidalgo provided that the land grants would be honored.

Two Los Angeles lawyers involved in the lawsuit were Alfred Chapman and Andrew Glassell, who took some of their fees in land.