Mission La Purisima Concepción, or La Purisima Mission (originally La Misión de La Purísima Concepción de la Santísima Virgen María, or The Mission of the Immaculate Conception of the Most Blessed Virgin Mary) is a Spanish mission in Lompoc, California. It was established on December 8, 1787 (the Feast of the Immaculate Conception, hence the mission's name) by the Franciscan order.