San Marcos River at Sewell Park
River · Texas
ℹ️ Community-reported spot. Details below are compiled from public sources and are reported to be accurate — always verify locally before visiting.
About this swimming hole
Texas State's campus park fronts a glassy, spring-clear stretch of the San Marcos River. Students and locals swim, paddleboard, and tube the gentle current between grassy banks. The water is so clear you can watch turtles and fish drift below you.
Good to know
| Water type | River |
|---|---|
| Water temperature | 72 |
| Best season | Year-round |
| Fees | Free |
| Reservations required | No |
| Hours | Dawn-dusk |
| Parking | Street parking around campus |
| Amenities | restrooms, picnic areas |
| County | Hays County |
| Nearest town | San Marcos |
| Safety notes | No lifeguard. River is habitat for endangered species; avoid disturbing vegetation. |
Map
Official information
Official park / agency page ↗ — check current conditions, fees, and reservations here before you go.
Nearby swimming holes
Frequently asked questions
Does San Marcos River at Sewell Park require reservations?
No reservations are required at San Marcos River at Sewell Park based on current information — but verify before you go.
Is there a fee to visit San Marcos River at Sewell Park?
Reported fee info: Free. Fees can change — confirm with the official link.
When is the best time to visit San Marcos River at Sewell Park?
The best season is typically Year-round.
⚠️ Verify before you go. Conditions, fees, reservations, and access can change — confirm details with the official link before visiting. Last verified: September 2026