William H. Hannon Plaza

The William H. Hannon Plaza at Mount Saint Mary's University's Chalon Campus is a premier outdoor venue offering breathtaking panoramic views of Los Angeles and the Pacific Ocean. Located just outside the Campus Center, the plaza provides an elegant and versatile setting for wedding receptions, banquet parties, non-wedding ceremonies, networking events, outdoor dining, and private celebrations. Designed to accommodate a variety of event styles and layouts, the plaza seamlessly blends open-air sophistication with the natural beauty of the Santa Monica Mountains. Its central location and scenic surroundings make it an ideal gathering space for university functions, corporate events, alumni programs, and social occasions. Conveniently situated near the Campus Center and other key campus facilities, William H. Hannon Plaza offers easy access to event amenities while providing one of the University's most iconic outdoor settings. Combining spectacular views, refined architecture, and exceptional versatility, it delivers a memorable backdrop for events of all kinds. Good to know: Catering goes through the campus caterer; an approved outside caterer is possible on request. Alcohol only through a caterer or vendor with liquor liability cover; no self-service. Events end by 10 pm, and booked hours include setup and teardown.