Rancho Paso de Bartolo also called Rancho Paso de Bartolo Viejo was a 10,075-acre (40.77 km2) Mexican land grant in present-day Los Angeles County, California given in 1835 by Governor Jose Figueroa to Juan Crispin Perez.[1] The name refers to a San Gabriel River ford called Paso de Bartolo Viejo (Old Bartolo's Crossing). The rancho includes present-day Montebello, Whittier, and Pico Rivera.[2][3][4]