Glide across glass-clear spring water in a transparent tandem kayak and watch the San Marcos River floor pass beneath you. This guided 75-minute eco-paddle highlights wildlife, karst geology, and a refreshing dip in constant-temperature springs.
More ways to explore the area's outdoor wonders
You push off from a shaded grassy bank at City Park and the river pulls you forward with a constant, cool insistence. The clear-bottom kayak turns the water into a window: limestone shelves, darting fish, and the slow, purposeful tail of a beaver glide beneath your seat. Overhead, kingfishers and herons pick their lines while the guide points out the spring vents where the Edwards Aquifer breathes life into the San Marcos River.
Difficulty
moderate
Duration
1–1.5 hours
Fitness Level
Moderate fitness recommended — ability to paddle for short bursts and climb in/out of a kayak.
Wildlife
History
San Marcos Springs are fed by the Edwards Aquifer and have supported human communities and recreation for centuries, shaping the city’s layout and water use.
Conservation
The springs rely on aquifer health; minimize sunscreen runoff, pack out trash, and follow guide instructions to protect fragile springbeds.
Reserve your spot on the Clear Kayak Day Adventure Tour in San Marcos today and enjoy a trusted, highly rated experience designed to help you make the most of your adventure.
Observe weight limits
Seats have a 250 lb individual limit and 425 lb combined kayak limit — contact the operator before booking if unsure.
Wear water shoes
Limestone ledges and sandy bottoms make closed-toe water footwear useful for exits and short swims.
Protect from sun
Bring reef-safe sunscreen and a brimmed hat; shade is limited on open stretches of the river.
Arrive early to park
Park at City Park and walk to the grassy area right of the Lion’s Club so check-in is smooth; guides wear long-sleeved blue shirts.
Water shoes
Give traction on slippery limestone and protect toes when entering/exiting the kayak.
summer
Quick-dry clothing
Light layers that dry fast keep you comfortable on the cool spring water.
Reef-safe sunscreen
Protects skin while reducing chemical runoff into the springs.
summer
Waterproof phone case or small dry bag
Keeps a camera or phone safe for photos through the clear hull and during swims.