The Slab on the Llano River
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
The Slab is a broad, flat limestone shelf where FM 3404 crosses the Llano River in Kingsland. Locals sunbathe on the warm rock and wade the shallow, clear water, with deeper pockets for a real swim. It is free, informal, and pure Hill Country.
Good to know
| Water type | River |
|---|---|
| Depth | Shallow wading; deeper pockets |
| Best season | May-September |
| Fees | Free |
| Reservations required | No |
| Hours | Daylight hours |
| Parking | Roadside parking near FM 3404 crossing |
| County | Llano County |
| Nearest town | Kingsland |
| Safety notes | No lifeguard. Slippery limestone; river rises after storms. |
Map
Nearby swimming holes
Frequently asked questions
Does The Slab on the Llano River require reservations?
No reservations are required at The Slab on the Llano River based on current information — but verify before you go.
Is there a fee to visit The Slab on the Llano River?
Reported fee info: Free. Fees can change — confirm with the official link.
When is the best time to visit The Slab on the Llano River?
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