
CWC services helping our community
Caltech History and Architectural Tour Service (CHATS)
Tours of the Historic Campus are usually given on the fourth Thursday of the academic year (September - May). Tours begin at 10:30 a.m., starting at the entrance to the Athenaeum, 551 South Hill Avenue. No tours are given during June, July, August, or December. Advance reservations required: RSVP on the CHATS website.
September 25, 2025
October 23, 2025
November 20, 2025
January 22, 2026
February 26, 2026
March 26, 2026
April 23, 2026
May 29, 2026
Press coverage: Pasadena Now February 2025 article on CHATS. Pasadena Now June 2020 article on CHATS. If you are unable to attend one of the scheduled CHATS campus tours the Institute does offer a self-guided walking tour on this brochure.
Interested in being a CHATS docent? Since 1985, our docents have led architectural tours of the campus. Any member of the Caltech Women's Club (CWC) can join: All you need is an interest in the campus and some flexible time. CHATS has a complete script of tour material and provides individual training to new docents. Contact CHATS.

CWC Casita
The Casita is a charming little house used for biweekly playgroup social gatherings and for lending out children's clothing, toys and household items. It features a comfortable, air-conditioned seating area where families can gather. This service provided by the Caltech Women's Club along with CISC aims to support young families and build community. Contact Casita.
234 S. Catalina Avenue (rear house)
