Rancho San Miguelito de Trinidad was a 22,136-acre (89.58 km2) Mexican land grant in present day southern Monterey County, California given in 1841 by Governor Juan B. Alvarado to José Rafael Gonzalez.
[1] The grant extended along the Nacimiento River and Stony Creek, west of Rancho Milpitas.
The five square league Rancho San Miguelito de Trinidad was granted to Rafael Gonzales.
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.
Charles B. Polhemus bought Rancho San Miguelito de Trinidad in 1869, and sold it in 1872 to his business partner, Henry Mayo Newhall.