Hamilton Pool - Dripping Springs
Fed by an underground river and formed when the dome over that river collapsed, Hamilton Pool was officially made a preserve by the Travis County Commissioners Court in 1990.
Hours: daily from 9 a.m.-1p.m. or 2-6 p.m. Reservations are required.
Cost: $11 for a reservation, then $15 per car on arrival
24300 Hamilton Pool Road, Dripping Springs
Blue Hole - Wimberley
This quiet spot was saved from development in 2005, and the grounds around it were turned into a 126-acre park with opportunities for hiking, sports and camping. The swimming area requires reservations and has limited hours after Labor Day.
Hours: daily from 9 a.m.-1 p.m. and from 2-6 p.m. Reservations for the swimming area are required.
Cost: free (ages 0-3),
$6 (ages 4-12, ages 60 and over), $10 (adults)
100 Blue Hole Lane, Wimberley
Guadalupe River State Park - Spring Branch
Beautiful scenery and colorful history surround this Hill Country river where visitors are welcome to swim, fish, tube and canoe.
Hours: 8 a.m.-10 p.m.
Cost: free (under 12) $7 (adults)
3350 Park Road 31, Spring Branch
Hinman Island Park - New Braunfels
At the headwaters of the Comal River is Comal Springs, the largest springs in Texas and one of the largest in the Southwest. The springs come out of the ground at Landa Park in New Braunfels, but that is not the only place to take a dip. Just downstream, Hinman Island Park offers a serene spot to access the cold, clear water, and it is free and open year-round.
Hours: daily 6 a.m.-midnight
Hinman Island Drive, New Braunfels
Krause Springs - Spicewood
Founded in 1955, Krause Springs 155-acre park that is on the National Register of Historic Places. It has a spring-fed, manmade pool and natural pools.
Hours: daily 9 a.m.-6 p.m.
Cost: free (ages 0-4), $5 (ages 4-11), $8 (adults)
404 Krause Springs Road, Spicewood