Highland Park Pool is located at 4909 Gaston Rd., Katy, TX 77494 
The easiest way to get to the pool is to take I-10 West to the Grand Parkway (Hwy 99), exit and go south (left). Exit and turn right on Cinco Ranch Blvd. Go past the Cinco Ranch High School for about 2 miles. Turn right on Gaston Rd . The pool is on the right at the corner of Gaston and Cinco Ranch Blvd. There is plenty of parking available across the street at Kilpatrick Elementary school on the left.
Below is the link to the pool:
http://www.swimwhale.com/uploads/CRHPr1.pdf