Entry No. 46 — the Oklahoma City file — filed under: mineral water
Vendome Well
Drilled in 1922, Vendome Well gushes 2,500 gallons per minute of carbon-14-dated water approximately 10,500 years old — a brine-laced artesian spring that still flows freely in Flower Park and carries the unmistakable rotten-egg whiff of hydrogen sulfide. Wading pools and a landscaped creek built by the CCC in 1935 surround it, making it as much a park stroll as a geological spectacle.
The story
In 1922, drillers in Sulphur sank a pipe into the earth hoping to strike oil or fresh water, but instead tapped into a massive artesian aquifer under immense subterranean pressure. What burst to the surface wasn't liquid gold; it was a torrent of brine-laced fossil water that carbon-14 dating puts at roughly 10,500 years old. Hydrologists know it as deep meteoric water—rain that fell when woolly mammoths still roamed North America, filtered down through limestone and shale over millennia, and collected dissolved minerals and hydrogen sulfide gas along the way.
By 1935, the Civilian Conservation Corps stepped in, transforming what could have been an industrial eyesore into a grand public sanctuary. They hand-cut local stone to build stone fountains, terraced stone wading pools, and the landscaped channel winding through Flower Park where the well continuously gushes. At its peak historic flow, the well discharged around 2,500 gallons per minute under natural artesian head—though drought and regional water table fluctuations have occasionally slowed it or required pumping to keep the 10,000-year-old stream moving.
What makes Vendome weird isn't just the geological timeline bursting out of a pipe; it's the unfiltered local ritual built around it. People bring empty gallon jugs to harvest the mineral water, willingly braving the sharp stink of rotten eggs for a gulp of something that hasn't seen sunlight since the Pleistocene. It is one of the few places in the country where you can wade into a CCC-hewn stone pool filled with prehistoric sulfur water for absolutely zero dollars.
What it's like
As you walk down the paved paths of Flower Park off W. 1st Street, your nose will announce Vendome Well long before you reach the stone fountain—the rotten-egg scent of hydrogen sulfide hangs heavy in the humid air, especially on warm summer days. You'll see locals filling plastic jugs straight from the flow and kids splashing in the shallow, stone-lined stream beds. The water runs cool and clear despite the smell, and if you're brave enough to sample it, bring a cup and let it sit for a minute so the gas dissipates before sipping the metallic, salty liquid. Park right by the well head or spill over to nearby Lincoln Bridge if the lot is full, and pack water shoes if you plan on stepping into the CCC pools.
The move: Walk through Flower Park to the well, let the water air off in a cup before taking a brave sip of the ancient mineral water, then wade in the shallow CCC-built pools; follow it up with a drive to nearby Travertine Creek for a swim in crystal-clear spring water as a palate (and nose) cleanser.
📍 Before you go Tucked into central Sulphur inside the Chickasaw National Recreation Area, the well sits just off W. 1st Street with its own parking, plus overflow at Lincoln Bridge, Pavilion Springs, and Hillside Springs if it fills up. A short gravel loop (roughly half a mile round trip) links the well to the surrounding park, so wear shoes you don't mind getting wet near the wading pools. Spring through fall is best for actually getting in the water, and mornings dodge the summer heat and crowds. Entry is free; the sulfur smell is genuinely strong, so set expectations. Pair it with a swim at nearby Travertine Creek or a stroll over to Lincoln Bridge.
- 📍 Sulphur
- 💸 $$
- ⚡ Low-key
- 🌗 Indoor or outdoor
Where: 901 W. 1st Street, Sulphur, OK 73086 (Vendome Well & Flower Park, Chickasaw National Recreation Area)
Hours: Mined 2026-06-07 — confirm current hours before you go.
Pair it with
- Mabee-Gerrer Museum of Art — Trade 10,000-year-old water for ancient Egyptian mummies at Father Gerrer's eccentric monastic art archive in Shawnee.
- Hazmatt Sculpture — Pair a plunge in ancient, sulfur-laden mineral water with a view of Norman's 20-foot reclining giant built out of municipal hazardous waste.
- Oak, Ash & Thorn Metaphysical Shop — Follow up an atmospheric soak in prehistoric spring water with a stop for ritual herbs and crystals in downtown Shawnee.
Good to know
Is the water actually safe to drink?
Yes, the mineral spring water is untreated deep artesian water tested by park officials, though its heavy sulfur and salt content can act as a mild natural laxative if you drink too much.
How much does it cost to visit Vendome Well?
Access to Vendome Well, Flower Park, and the surrounding Chickasaw National Recreation Area is completely free.
Why does the water smell like rotten eggs?
The odor comes from naturally occurring hydrogen sulfide gas dissolved in the deep underground mineral aquifer thousands of feet beneath the surface.
What are the operating hours?
Flower Park and the well area are open daily from sunrise to sunset year-round.
Plan a visit & invite your people →
Further reading: nps.gov · naturallyoklahoma.com · waterdata.usgs.gov · Reddit
last checked: 2026-06-07