Rancho San Luisito was a 4,389-acre (17.76 km2) Mexican land grant in present day San Luis Obispo County, California given in 1841 by Governor Juan B. Alvarado to José de Guadalupe Cantúa.[1] The grant between Morro Bay and San Luis Obispo, extended along San Luisito Creek and Chorro Creek and encompassed Hollister Peak.[2]