Rancho San Carlos de Jonata was a 26,634-acre (107.78 km2) Mexican land grant in present-day Santa Barbara County, California given in 1845 by Governor Pío Pico to Joaquín Carrillo and Jose Maria Covarrubias.[1] The grant was west of Mission Santa Inés in the Santa Ynez Valley, and extended north from the Santa Ynez River along Zaca Creek. The grant encompasses present-day Solvang and Buellton.[2][3]