Reserve a group reservation for your scout troops, birthday parties, and private groups. Check the calendar below for availability. Reservations can be made up to 6 months in advance, and no earlier than 2 weeks in advance. Please note that we are closed on Sunday and can only do birthday parties on Saturdays from 10 a.m. — 3 p.m. After your request has been submitted, you will receive an e-mail acknowledging your reservation request. Please wait up to 1 business week for your request to be processed by the Mt. SAC-Randall Planetarium staff. A reservation confirmation email will be sent to you once your reservation is complete.
The Mt. SAC - Randall Planetarium
Mt. San Antonio College 1100 N. Grand Ave., Walnut, CA 91789
Phone: (909) 274-5795 | E-mail: planetariumAT_mtsac.edu