Experience the unique aquatic world of Spring Lake and discover why people have been coming to the San Marcos Springs for over 12,000 years!
Glass-bottom Boat Tours run daily!
Last boat goes out 30 minutes before closing.
Tours last for 30 minutes
3 and Under Free
General Admission is Free
To speak to someone during regular park hours call our Ticket Booth at 512-245-7570.
Other Activities include:
Since 1945, these historic glass-bottom boats have given people of all ages an in-depth look at the natural beauty of Spring Lake, where thousands of springs bubble up from the Edwards Aquifer. These springs are the key to a unique ecosystem which is home to eight endemic speces listed by US Fish & Wildlife and Texas Parks & Wildlife as threatened or endangered.
Spring Lake is home to one of the most dense turtle population's ever studied in the United States. The water's constant temperature ensures that there is turtle activity to be seen during any season.
Spring Lake is also a major fly zone for migrating birds. Whether a photographer, scientist or vacationer there is something for everyone to learn about and enjoy.
Specializing in Interpreter led programs:
Groups of 15 or more eligible for discount.
Book Tours Online or call 512-245-7540 to reserve a date.
We can customize tours for all levels and learning goals.
1,000 Gallon Spring Lake Tank
Visit our Discovery Hall and Aquarium Exhibit
Featuring a 1,000 gallon aquarium of native fish found in Spring Lake, an endangered species exhibit where you will see Texas Blind Salamanders, San Marcos Salamanders and Fountain darters, a baby turtle aquarium, a multiscreen video wall and interactive exhibit about the Edwards Aquifer and the Water Systems of Texas.
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5 Gyres Traveling Exhibit-Saving Our Synthetic Seas
A traveling exhibit about the lives of people impacted by plastic pollution, from scientists at sea, to wastepickers in India, all the way to Japan where tsunami survivors sift through mountains of debris. Here we tell a story about science, through art and personal experience.