Aquarena Center
921 Aquarena Springs Dr.
San Marcos, TX 78666
512-245-7570
From your tour aboard a kayak or glass bottom boat, see some of the 200+ springs that bubble up from the Edwards Aquifer to fill Spring Lake and form the San Marcos River. Both entertaining and instructive, the adjacent Aquarena Center Institute is an educational center managed by the Texas River Systems Institute which is dedicated to the study and protection of these and other Texas waters, as well as the flora and fauna of surrounding wetlands, and eight inhabiting federally listed endangered or threatened species: the San Marcos salamander, the Texas blind salamander, the fountain darter, the San Marcos Gambusia, the Comal Springs riffle beetle, Comal Springs dyopid beetle, Peck's cave amphipod, and the threatened San Marcos salamander.