The Outdoor Center at Sewell Park

General Information

Sewell Park resides just below the headwaters of the spring-fed, crystal clear San Marcos River, and remains 72-degrees year round. You can relax outdoors while taking advantage of two sand volleyball courts, open spaces for informal recreation, an outdoor basketball court, and numerous picnic spots great for relaxing and eating a meal. The park also offers ample open space for sunbathing, and picnicking. You'll also find the Outdoor Center here, nestled under the trees.

Outdoor Center Phone Number: (512) 245-2004

Sewell Park

The San Marcos River

Conditions of the San Marcos River are constantly changing, and hazards may be present (river depth, rocks, wildlife, etc.). Entering the river is at your own risk, and no lifeguards are present.

Outdoor Center

Outdoor Equipment Rental Rates

Early Morning Specials: All watercraft rentals starting before 12:00PM are half-off (Weekdays & Weekends, depending on seasonal Outdoor Center operating hours).

Off-Season Specials: From November 1st through February 28th, all weekday watercraft rentals (excluding tubes) are half-off.


Sewell Park Reservations

Reserve a space in Sewell Park for your next University event!

Equipment Reservations

  • All equipment is available to be reserved up to 7 days in advance.
  • By making a reservation in advance, your equipment will be ready for use upon your arrival to the Outdoor Center.
  • To make a reservation:
    • Call or visit the Outdoor Center during open hours.
    • Let staff know what time and equipment you would like to reserve.
Tubers on the water
Glow Paddle Photo

Late Night Glow Paddles

Experience the San Marcos River in a whole new light (or lack of)! Standup Paddleboards outfitted with multi-color LED lights will be available after the sun goes down, every Friday evening post-Spring Break thru Summer. Spots are limited, so be sure to get online and reserve your spot! 

Rental Includes: LED outfitted standup paddleboard, headlamp, glow stick necklace.

Dates: Every Friday from 3/25/22 - 8/12/22

Time: 8:00PM - 10:00PM

Cost: $20 per person

Capacity: Limited to 12 spots per night.