People drive miles for this California beach town's 'miracle' water. I went to see what keeps them coming back.

It's an early Thursday afternoon in Carlsbad, California, and several short lines stretch like tentacles from a kiosk in the middle of town .

In line, visitors and locals juggle an array of glass containers — some piled onto carts — waiting for their turn at one of the available spigots. Nearby, a woman shouts in the general direction of my group: "This is the best water in the world!" Is she a walking covert Carlsbad ad placement? Surprisingly, no. Turns out, she makes this pilgrimage once a week. The water, she says, has changed her life.

Since the 1880s, people have been coming to Carlsbad for mineral water credited with treating all manner of ailments. Standing in line with my own bottle, I wondered whether the miracle water was just a quirky local thing or the beginning of Carlsbad's surprisingly deep-rooted wellness culture.

So, what ' s the deal with Carlsbad ' s ' miracle ' water?

The structure that dispenses the water isn't much to look at — a tiny Bavarian-style building that seems to have lost its way to Oktoberfest. But even so, people come for what's said to emerge from a 1,700-foot-deep aquifer fed by water that drains from the Cleveland National Forest, allegedly untouched by anything except time and pressure.

The business behind the wells says the water's pH hovers around 8.7 — solidly alkaline — and those who journey for a taste believe the water detoxifies, hydrates, oxygenates, alkalizes and enhances the body's immune system. Mayo Clinic , on the other hand, says that for most people, alkaline water is no better than plain water, and more research is needed to support its purported health benefits.

But whether the water is a miracle worker or just tastes a little better than tap is almost irrelevant now. Its devotees believe it to be true, and a mini-wellness industry has sprung up around it.

From mineral well to wellness destination

The man behind the well was John Frazier, a merchant seaman and farmer. According to local accounts, Frazier drilled a well in 1882 while searching for regular drinking water and hit something else entirely. As the story goes, he had suffered from stomach ailments and believed he felt better after drinking the water. Historical accounts say he sent samples to independent labs, which found that the mineral composition was similar to that of the famous healing waters of Karlovy Vary in the Czech Republic.

The settlement, informally known as Frazier's Station, soon took the name Carlsbad — an anglicized version of Karlsbad, the German name for Karlovy Vary — after tests reportedly found similarities between the two places' mineral waters.

By the late 1880s, the Carlsbad Hotel had opened near the well, drawing visitors from around the country. It became the centerpiece of a town that had established itself as a health and wellness destination, with guests coming to drink and bathe in its "miracle" alkaline waters. The water was also bottled and sold nationally, extending Carlsbad's reputation well beyond those who came in person.

The original Carlsbad Hotel burned to the ground in 1896. More than three decades later, a new property, the California-Carlsbad Mineral Springs Hotel, opened across the street from the springs. But the well fell into disrepair during the Depression and remained out of service for decades.

Ludvik and Veronica Grigoras began restoring and redrilling the wells in 1993. Ludvik, who was born in Karlovy Vary, was passionate about the well's history and building a relationship between the sister cities. By 1996, his vision was realized when the well reopened and the alkaline mineral water was available to the public yet again.

Today, Carlsbad is home to some of the best resort spas in the country, rebooted for an audience that says "adaptogen" instead of "tonic."

The sprawling Omni La Costa Resort & Spa is a lush 400-acre, Spanish Mission-style enclave that feels like its own mini-wellness city. Hotel Solea shares a hilltop campus with the Westin, including its spa. (If you're traveling with kids, Solea offers private LEGOLAND access, which you can use as leverage for a quiet moment in your room.)

But my absolute favorite Carlsbad retreat is Beach Terrace , one of the rare stays in town that butts up directly against the roaring waves of the Pacific. The rooms are beyond spacious, and there were a few nights when I left the sliding glass doors open — the waves served as the best white-noise machine on the market. There's no spa on the premises, but you can arrange an in-room massage after a day of shopping in nearby downtown Carlsbad (retail therapy counts as wellness).

Happy Blue Marble runs sound baths where you lie on a mat under low light while crystal bowls and chimes wash over you — the kind of thing that seems a bit woo-woo until the moment you're horizontal.

Paddleboard the calm waters of Agua Hedionda Lagoon and pair it with an afternoon at Handled Pottery Studio , where a large garage door stays open to the street, letting the cool Carlsbad air drift through while you throw a piece. For a meal that keeps you moving, the Carlsbad Food Tour walks you through the downtown Carlsbad restaurant scene with actual context instead of just a list of Yelp links.

Even Carlsbad's biggest attractions sneak in some wellness. The Flower Fields at Carlsbad Ranch bloom across 55 acres of ranunculus every spring, and walking the rows is essentially a moving meditation with better photo ops.

Leo Carrillo Ranch Historic Park offers the same effect in a different way, with 27 acres of shaded trails, wandering peacocks and rustic buildings. It's the kind of place that lowers your heart rate without you even noticing.

San Diego International Airport (SAN) is the main gateway to the area, though limited commercial flights also serve Carlsbad's smaller McClellan-Palomar Airport (CLD). Carlsbad is roughly 35 to 45 minutes north of SAN without heavy traffic, though I-5 rush hour can stretch that significantly, so build in a buffer if you're catching a flight.

Most visitors rent a car. The big resorts sit inland, meaning you'll drive to the beach or wait for a rideshare option to come along.

Carlsbad stays mild year-round, with its warmest and driest weather generally arriving from July through October. If the Flower Fields are the draw, come in spring; the attraction typically operates from March into May.

The well has self-serve dispensers that run 24 hours a day and charge $1.40 per gallon. It only takes cash, so you'll have to bring dollar bills and some loose change to get your goods. Bring an empty cooler if you're planning to leave with more water than you arrived with — most people do.