Mission Santa Cruz was a Spanish mission founded by the Franciscan order in present-day Santa Cruz, California. The mission was founded in 1791 and named for the feast of the Exaltation of the Cross, adopting the name given to a nearby creek by the missionary priest Juan Crespi, who accompanied the explorer Gaspar de Portolá when he camped on the banks of the San Lorenzo River on October 17, 1769, and erected a wooden cross.