Dive into the crystal-clear, spring-fed waters of Spring Lake and experience one of Texas’ most unique ecosystems—from below the surface! This guided snorkel tour, hosted by Texas State University takes you through the headwaters of the San Marcos River, home to seven endangered and threatened species, constant 72°F water, and thousands of years of human history.
The tour includes an introduction to the unique history and habitat of Spring Lake and an on-water tour of the San Marcos Springs, including Deep Hole, Cream of Wheat Springs, and the Ossified Forest. All related equipment will be provided. The on-water time for the tour is up to 50 minutes.
All gear will be provided. No outside gear will be allowed unless it is for prescription goggles. Life jackets must be worn at all times. Tours are limited to a minimum of 2 participants and a maximum of 8. For larger groups, inquiries should be sent to springlaketours@txstate.edu. Find more things to do here.
Parking Information:
All visitors must display a parking permit to park in the Meadows Center parking lot from Monday at 8 a.m. to Friday at 5 p.m. One-day temporary permits are available for $3 at the kiosk in the parking lot, which accepts credit cards only.
When: August 8, 2026
Where: Spring Lake Hall, 201 San Marcos Springs Drive, San Marcos, 78666
Tickets: $45 ($5 discount for TXST and military)
