Texas summers get hot fast, and finding cool, clear water can make all the difference. Lucky for us, the state park system is full of spring-fed pools, rivers, and lakes where you can actually cool down instead of just wading through warm water.
Some of these spots stay chilly year-round because they are fed by underground springs, which keeps the temperature refreshing even in July and August. This list covers nine parks with swimming holes that are worth planning a trip around.
Whether you want to float, splash with the kids, or just find a shady bank to relax on, there is something here for every kind of summer day. Grab your towel and read on.
1. Balmorhea State Park, Toyahvale, Texas
Way out in West Texas sits one of the largest spring-fed swimming pools in the world. Balmorhea is fed by San Solomon Springs, which pump out millions of gallons of water each day.
The water stays between 72 and 76 degrees all year, so it feels refreshing no matter how hot the desert gets. The pool is deep, reaching around 25 feet in some spots, and clear enough that swimmers often spot small fish and turtles below them.
Built in the 1930s by the Civilian Conservation Corps, the site still has its historic stone structures. Snorkeling is popular here because of how clear the water is.
Because it is remote, reservations are strongly recommended, especially on summer weekends. There is also a campground and adobe lodging on site if you want to stay overnight and swim more than once.
2. Blanco State Park, Blanco, Texas
A short stretch of the Blanco River runs right through this compact Hill Country park, and it packs a lot into a small space. Small dams create calm pools that are easy for families to enjoy.
Swimming, tubing, and wading are all popular here, and the gentle current makes it manageable for younger swimmers. The water sits in the shade of tall cypress trees along the banks.
The park is only about 100 acres, so everything feels close together, including picnic tables and camping spots near the water. That makes it an easy choice for a day trip or a quick overnight.
Fishing is allowed too, and the river holds bass and catfish. Since space is limited, arriving early on weekends helps you grab a good spot by the water.
3. Garner State Park, Concan, Texas
Generations of Texas families have made summer trips to Garner a tradition. The Frio River flows through the park, and the name Frio actually means cold in Spanish, which tells you what to expect.
The water is clear and cool, perfect for floating on a tube or paddling a rented paddle boat. The riverbanks are lined with towering cypress trees and framed by limestone hills.
Garner is one of the most popular parks in the entire state, so reservations fill up fast during summer. Camping here is a big draw, and the park has hosted summer dances at its pavilion for decades.
Beyond swimming, there are miles of hiking trails with hilltop views. If you want the classic Texas river summer experience, this is the place people keep coming back to.
4. Pedernales Falls State Park, Johnson City, Texas
Layered slabs of limestone give this park its signature look, where the Pedernales River tumbles over stair-step rock formations. The falls themselves are for viewing only, but there is a designated swimming area downstream.
At the swim spot, the river widens into calmer, clear pools where you can cool off safely. It sits away from the fast-moving falls for good reason.
One thing to know before you go is that the river can rise quickly during storms, so staff monitor conditions closely. Always check park updates before planning a swim day.
The park also offers hiking, bird watching, and a large campground. The mix of dramatic rock scenery and a family friendly swimming area makes it stand out from the more river-float focused parks on this list.
5. Colorado Bend State Park, Bend, Texas
Home to the stunning Gorman Falls, this park sits along the Colorado River in central Texas. While the falls are protected and off limits for swimming, the river offers plenty of spots to cool down.
Swimming and wading are allowed in designated river areas, and the water stays clear where it runs over rocky beds. Fishing and paddling are popular here too.
The park is known for its rugged, less-developed feel, which appeals to people who want fewer crowds. Guided cave tours are also offered, adding something different to the visit.
Trails lead to the falls overlook, so you can pair a swim with a rewarding hike. If you like your swimming holes with a side of adventure, this park delivers.
6. Guadalupe River State Park, Spring Branch, Texas
Four miles of the Guadalupe River wind through this park, giving visitors lots of room to spread out. The river alternates between calm pools and gentle rapids, so there is a spot for nearly everyone.
Swimming, tubing, and paddling are all popular, and the water runs clear over a rocky bottom. Old cypress trees line the banks and provide welcome shade.
Because the park is close to San Antonio, it draws steady crowds, so weekday visits or early arrivals help. Reservations are required for day use during busy times.
Beyond the river, there are trails and a nearby natural area for exploring. The variety of water conditions here is what sets it apart, letting you pick calm wading or livelier tubing depending on your mood.
7. Krause Springs, Spicewood, Texas
A quick note here, since Krause Springs is a privately owned property rather than a state park, but it is such a beloved swimming destination that it deserves a mention alongside these public spots.
The property features natural spring-fed pools plus a man-made pool, all filled with cool, clear water. There are 32 springs on the grounds, and several feed directly into the swimming areas.
A rope swing over the natural pool is a longtime favorite, and cypress trees shade the banks. Camping is available for those who want to stay overnight.
Because it is private, an admission fee applies, and cash is often preferred. If you are touring Hill Country swimming holes, this one pairs nicely with the nearby state parks.
8. Hill Country State Natural Area, Bandera, Texas
Rugged and remote, this natural area is better known for horseback riding and backcountry trails, but it also offers water access along West Verde Creek. It is one of the more primitive spots on this list.
The creek provides places to cool off and wade when water levels are good. Because the area is undeveloped, do not expect the amenities you would find at a larger park.
That primitive feel is exactly why some visitors love it, since crowds tend to be lighter here. Bring everything you need, because services are limited.
Trails here are shared with horses and mountain bikes, so it is a solid pick for an active day outdoors. For folks who want a quieter escape from the busier river parks, this one fits the bill.
9. Inks Lake State Park, Burnet, Texas
Unlike most Highland Lakes, Inks Lake keeps a nearly constant water level, which means the swimming stays reliable all summer long. That steady level is a big plus for planning a trip.
The park has a designated swimming area with a beach, and the water is calm and clear. Pink granite outcrops along the shore give the whole place a distinctive look.
Kayaking, paddleboarding, and fishing round out the water activities, and rentals are available on site. Devil’s Waterhole is a popular spot within the park for swimming and cliff areas.
Camping, cabins, and a nine-hole golf course make it easy to turn a swim day into a full weekend. With dependable water and plenty to do, it closes out this list on a relaxed note.
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