Spring Lake (Meadows Center, San Marcos)

Texas, United States

Depth10–30 ft (3–9.1 m)

AccessShore

Cert LevelOpen Water plus Spring Lake Dive Authorization (25 logged dives) for volunteer diving

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Year-round (constant 72 F); availability set by program schedule.

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The headwaters of the San Marcos River, fed by about 200 artesian spring vents from the Edwards Aquifer, with constant 72 F crystal-clear water over archaeological deposits spanning 12,000+ years of human habitation. Diving is tightly restricted: certified divers must complete the Meadows Center's Spring Lake Dive Authorization Course and volunteer with the AquaCorps habitat-restoration program, or do open-water checkout dives through partner shops. It is widely considered one of the best freshwater dives in Texas.

Quick Facts

Depth Range3m – 9.1m

CertificationOpen Water plus Spring Lake Dive Authorization (25 logged dives) for volunteer diving

Gear3 mm wetsuit; excellent buoyancy control required over sensitive vegetation and sediment.

HazardsProtected endangered species and archaeological resources (no touching/collecting); glass-bottom boat traffic overhead; strong localized spring flow at vents.

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