The San Cristobal Grand Chapter is a Triskelion Youth Movement under the supervision of the Calamba City Triskelion Council. It's first founded in May 11, 1992 by Julius Villa. Since then, the San Cristobal Chapter has almost 200 registered Triskelion members, including all alumni's.

Like all Tau Gamma Chapters, we aim in bringing good images and services to our community. We're promoting several projects and activities in order to maintain and achieve our finest standards of bringing good leadership and unity among us. This projects includes the following;

1. Community services like voluntary cleaning of sewages or canals at our barangay.
2. Helping in maintaining peace and order at our place.
3. Providing financial support and assistance on our fellow brods and sis
4. and much more....