Santiago De Compostela Church 21682 Lake Forest Dr, Lake Forest, CA92630 This Roman-Catholic church has been serving Lake Forest residents since 1979. It's along Lake Forest Dr and sits on a…More few acres of beautiful grounds. The church features daily mass, community events and bible study. The site can also be used for weddings, funerals and Holy Days. One of the main religious education groups is the Youth Ministry. They provide community service, go on retreats and participate in peer leadership. The church is headed up by Pastor Dave Gruver of Lake Forest.