Natural swimming hole
San Marcos River at Rio Vista Park
River · Texas
About this swimming hole
Three spring-fed chutes tumble through this free city park, creating natural slides and plunge pools in the middle of San Marcos. The San Marcos River holds at 72 degrees year-round, fed by the Edwards Aquifer a few miles upstream. It is the classic broke-college-kid swimming hole: free, fun, and five minutes from campus.
Good to know
| Water type | River |
|---|---|
| Water temperature | 72 |
| Depth | Plunge pools below three dam chutes |
| Best season | Year-round |
| Fees | Free |
| Reservations required | No |
| Hours | Dawn-dusk |
| Parking | Free park lot; street parking nearby |
| Amenities | restrooms, tube chutes, picnic areas |
| County | Hays County |
| Nearest town | San Marcos |
| Safety notes | No lifeguard. Chutes have strong current; not for weak swimmers. Flash-flood risk. |
Map
Official information
Official park / agency page ↗ — check current conditions, fees, and reservations here before you go.
Nearby swimming holes
Frequently asked questions
Can you swim in San Marcos River at Rio Vista Park?
Yes — San Marcos River at Rio Vista Park is listed as a natural swimming spot in Texas. Reported water temperature: 72. Heads-up: No lifeguard. Chutes have strong current; not for weak swimmers. Flash-flood risk.. There are rarely lifeguards at natural swimming holes — verify conditions locally before you go.
Does San Marcos River at Rio Vista Park require reservations?
No reservations are required at San Marcos River at Rio Vista Park based on current information — but verify before you go.
Is there a fee to visit San Marcos River at Rio Vista Park?
Reported fee info: Free. Fees can change — confirm with the official link.
When is the best time to visit San Marcos River at Rio Vista Park?
The best season is typically Year-round.