Hamilton Pool

Hamilton Pool
Hamilton Pool is one of the best swimming holes in Texas – and a great place to picnic, swim, and spend some time on a hot Texas summer day.

Make sure you also check Texas Outside’s list of The Best Swimming Holes in Texas

Hamilton Pool Location

Hamilton Pool Preserve is located about 30 miles west of Austin on FM 3238. From SH 71/U.S. 290 junction southwest of Austin, take SH 71 about 81/2miles to FM 3238 (Hamilton Pool Road), turn left and travel about 13 miles to the preserve. The entrance to the 232-acre preserve is on the right. Image by Shaun Goffe

The preserve is managed as a natural area (preserve) with emphasis on habitat protection and restoration, environmental education for public and private groups, and ongoing research; it offers limited, day-use only, with recreational opportunities such as picnicking, hiking, swimming and nature study.


Here are some numbers to call for more information:

  • County Parks information – (512) 854-7275
  • Hamilton Pool information – (512) 264-2740

About Hamilton Preserve

The preserve’s pool and grotto were formed when the dome of an underground river collapsed due to massive erosion thousands of years ago.

There is a 45 foot water fall creating a great swimming hole. You need to also hike some of the nature trails along the creek. Swimming is allowed only when the water quality meets safe standards. Water quality is monitored regularly. Updated information is posted at the entrance booth and provided on the park’s telephone recorder message (512 264-2740). The parking lot is sized for 75 cars, and when all spaces are taken, cars are held up at the gate until a space opens. Drinking water or concessions are not available in the preserve; chemical toilets are provided.

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