
William H. Hannon Theater
Up to 350 guests · Indoor

An open-air gathering space at the heart of the Chalon Campus, framed by Spanish Colonial architecture and landscaped grounds.
Professional photography of The Circle. Select any photo to view it larger.
The Circle sits at the center of the Chalon Campus and takes up to 200 guests. Surrounded by the campus’s Spanish Colonial architecture and landscaped grounds, it suits ceremonies, receptions, networking events, performances and community gatherings, and its flexible open-air layout carries both formal and informal formats.
Dimensions are on the floor plan below. Equipment and accessibility details are confirmed during inquiry.
Tables, seating and staging for this space come from the Chalon Campus supply — see what we hold.
A dimensioned floor plan of The Circle, prepared by the University. Select the plan to view it larger, or download the PDF to share with your planner and vendors.
Open the marker on the campus map to look around this space in 360°.
Want to see The Circle in person?
Book a tourUse these verified details as a starting point. Final availability and event-specific requirements are confirmed through inquiry.
More questions? Read the FAQs
The Circle is at Chalon Campus, 12001 Chalon Road, Los Angeles, CA 90049, in West Los Angeles — minutes from Beverly Hills and the Getty Center.
The space, set up with tables and chairs from the University's own supply, plus free WiFi. No linens: rent them from Bon Appetit with your catering.
The Circle accommodates up to 200 guests.
Submit the preferred date, estimated attendance, event format, and known requirements through the official Mount Saint Mary’s event inquiry portal.
Share your preferred date, event format, and known requirements through the official inquiry portal.
Share your preferred date, estimated guest count, and the experience you have in mind - our events team follows up with availability, venue guidance, and a tailored quote.