Swimming holes by town
Swimming Holes in San Marcos, Texas
5 natural swimming holes
Our directory lists 5 natural swimming holes in and around San Marcos, Texas. Local listings point to Year-round as the best swimming season. They're all 5 rivers — this is river-country. Every one sits in Hays County. The standout listing is San Marcos River at Rio Vista Park.
Swimming holes in San Marcos
- San Marcos River at Rio Vista Park
Three spring-fed chutes tumble through this free city park, creating natural slides and plunge pools in the middle of San Marcos.
- Five Mile Dam Park
A historic Blanco River dam creates a deep, still pool that San Marcos locals have swum for a century.
- Ramon Lucio Park
A public City of San Marcos park off I-35 with direct access to the San Marcos River via stairways.
- San Marcos City Park
A City of San Marcos riverfront park where patrons are encouraged to participate in swimming, kayaking, canoeing, and other active recreation per city documents.
- San Marcos River at Sewell Park
Texas State's campus park fronts a glassy, spring-clear stretch of the San Marcos River.
Frequently asked questions
How many swimming holes are in San Marcos, TX?
Our directory lists 5 natural swimming holes in and around San Marcos, Texas, across Hays County. New spots are added as they're verified.
What kinds of swimming holes are in San Marcos?
The 5 listings cover 5 rivers. See each listing for details on access and conditions.
Which swimming hole near San Marcos should I try first?
San Marcos River at Rio Vista Park is a well-documented local listing. Three spring-fed chutes tumble through this free city park, creating natural slides and plunge pools in the middle of San Marcos. Full details, maps, and safety notes are on its page.
When is the best time to swim near San Marcos?
Local listings most often name Year-round as the best season. Spring runoff can make rivers and creeks dangerously high — check local conditions before you go.