Spring swimming holes in Texas

Where the spring swimming is in Texas

The Hill Country holds the icons — Barton Springs, Hamilton Pool, Jacob's Well, Krause Springs, the Blanco, Guadalupe, Frio, and Comal — all fed by the Edwards Aquifer.

In this directory, Balmorhea State Park, Chinati Hot Springs, and Crystal Springs Beach are among the spring spots we document in Texas. The full list below reaches Odessa, Pecos, Alpine, Marfa, Presidio, Texarkana, Maud, and Del Rio.

Barton Springs and Jacob's Well hold about 68-72°F year round; the Comal and San Marcos are similarly constant.

Reading conditions before you go

Springs are the one water type that ignores the seasonal calendar. A 72°F spring feels warm in February and startlingly cold in August, and its flow barely changes with the weather.

Clarity is the draw and it is also fragile. Silt kicked up by swimmers takes hours to settle, so the early arrivals get the clear water.

Hot springs need a temperature check every time. Source pools at undeveloped springs can exceed 140°F. Test downstream of the vent by hand before any part of you goes in.

In Texas, the Texas Commission on Environmental Quality publishes the water-quality and algal-bloom advisories that apply to these waters. Check them alongside the live gauge data rather than instead of it.

Spring safety in Texas

Never put your head under at a hot spring. Warm freshwater is where Naegleria fowleri lives, and the CDC advice is explicit: keep your head above water in hot springs, and hold your nose or wear a nose clip if you jump in anywhere warm and still.

Spring vents and cave systems have killed experienced divers. Do not enter an underwater conduit, however inviting, without cave-diving training and gear.

Cold springs cause cold-water shock precisely because the air is hot. A 58°F Ozark spring on a 95°F day triggers the same gasp reflex as winter water.

The Hill Country is flash-flood country — the Blanco and Guadalupe have killed people in sudden rises. Hamilton Pool closes on bacteria counts and requires advance reservations. Jacob's Well bans diving after multiple deaths in its cave system, and its flow now stops entirely in drought years.

Cold water deserves more respect than most swimmers give it. The National Weather Service notes that cold shock can be as severe at 50-60°F as at 35°F, and that the involuntary gasp reflex can be triggered by water as warm as 77°F — which is why entering slowly matters even on a hot day.

When to go

Texas swims april through october, with the most reliable water may to september. Spring-fed water is swimmable nearly year round; the season is long but midsummer is brutally hot.

Springs are the most reliable water in any state: swimmable in shoulder season when everything else is too cold, and refreshing when everything else has gone bath-warm.

4 of these listings carry their own best-time note from the land manager or from reader reports — open them for the specifics rather than relying on the state-wide window alone.

What to bring: A nose clip, water shoes for limestone and travertine, and a towel — spring air is often cool even in summer.