Castroville Regional Park
River · Texas
About this swimming hole
A large Alsatian-town park on the banks of the tree-lined Medina River west of San Antonio. The city's own park rules allow wading and swimming in the river at your own risk, and the shady, slow-moving stretches are ideal for a lazy dip.
Good to know
| Water type | River |
|---|---|
| Depth | wading to swimming depth |
| Best season | May-September |
| Fees | Free |
| Reservations required | No |
| Hours | 5am-10pm (summer) |
| Parking | Large lots off Alsace Avenue |
| Amenities | restrooms, picnic tables, trails, playground, campsites |
| County | Medina County |
| Nearest town | Castroville |
| Safety notes | No lifeguards in the river; swim at own risk per city rules |
Map
Official information
Official park / agency page ↗ — check current conditions, fees, and reservations here before you go.
Nearby swimming holes
Frequently asked questions
Does Castroville Regional Park require reservations?
No reservations are required at Castroville Regional Park based on current information — but verify before you go.
Is there a fee to visit Castroville Regional Park?
Reported fee info: Free. Fees can change — confirm with the official link.
When is the best time to visit Castroville Regional Park?
The best season is typically May-September.
⚠️ Verify before you go. Conditions, fees, reservations, and access can change — confirm details with the official link before visiting. Last verified: September 2026