Posted in Tennessee Attractions December 31, 2020 by

America’s Largest Underground Lake Is Hiding In Tennessee And It’s Astounding

The Lost Sea is located in Sweetwater, Tennessee and is precisely where you should head if you’re looking to enjoy an underground tour that will leave your jaw on the ground. As the largest underground lake in the United States — and listed as one of the largest in the world — the Lost Sea is a sight to see. Although it takes a bit of work to get to it…

The Lost Sea Adventure - Facebook
The Lost Sea in Tennessee is America's largest underground lake, discovered by thirteen-year-old Ben Sands in 1905. It's located in the greater realm known as Craighead Caverns, an extensive cave system that is located between Sweetwater and Madisonville, Tennessee.
The Lost Sea Adventure - Facebook
About 150,000 visitors visit The Lost Sea on an annual basis, touring the cave and taking their glass-bottomed boat tour across the still waters. It's normally under sixty degrees down by the ever Lost Sea, but the humidity may rise during certain times of the year.
The Lost Sea Adventure - Facebook
What a beautiful shot - wouldn't you say? Don't worry about being claustrophobic, either - a majority of the caves in the Lost Sea vicinity could fit a two-story house!
The Lost Sea Adventure - Facebook
It really brings a new meaning to the word, "cavernous," doesn't it? The Lost Sea Adventure actually has a neat past, an idea in 1915 grew into the realization of a dance floor in the upper rooms and moonshiners using the natural refrigeration during prohibition.
The Lost Sea Adventure - Facebook
Keep an eye out for cave flowers! Officially known as anthodites, these spiky clusters of rock are only found in a few places around the world.
The Lost Sea Adventure - Facebook
Planning a visit? You can pop through a couple of stores, enjoy a bite to eat at their kitchen or even their delicious ice cream parlor. There are tons of picnic spots that make it easy to stay budget friendly and bring lunch, if you'd so prefer.
The Lost Sea Adventure - Facebook
Tour rates vary depending upon the number of people in your party as well as their ages, so make sure to give 'em a call to find the best deal for your family. Also, keep in mind, you'll be walking roughly 140 feet below the surface, and coming back up can prove a bit difficult for some.
The Lost Sea Adventure - Facebook
You can visit for yourself at 140 Lost Sea Road, in Sweetwater, Tennessee. Take a tour and enjoy an afternoon on their glass bottomed boat - each runs about an hour and fifteen minutes. It's a life experience you simply can't miss.

Did you know that the Volunteer State plays host to the largest underground lake in the United States, the Lost Sea in Tennessee? Pretty crazy…Continue the adventure with This Trail In Tennessee That Will Lead You To Extraordinary, Creepy Ruins.

And for more information and to plan your own visit, check out The Lost Sea Adventure website.

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Address: Sweetwater, TN 37874, USA
The OIYS Visitor Center

The Lost Sea in Tennessee

January 04, 2021
Beth C.

Does Tennessee have any hidden gems?

If you're delighted by undiscovered attractions that are located off-the-beaten-path, you'll be thrilled by the hidden gems to be found in Tennessee. These locations include the Bell Witch Cave in Adams, the Evil Dead Cabin in Morristown, Lost Cove Settlement in Erwin, the Crystal Shrine Grotto in Memphis, Rugby Colony in Rugby, the Spaceship House in Signal Mountain, the Salt & Pepper Shaker Museum in Gatlinburg, the Montgomery Bell Tunnel in Kingston, and Backyard Terrors Dinosaur Park in Bluff City.

What are Tennessee's best natural wonders?

When it comes to natural beauty, Tennessee might just take the cake. The Volunteer State is positively brimming with natural beauty, and nowhere is that more obvious than the following locations: Ramsey Cascades in Gatlinburg, Burgess Falls State Park in Sparta, the Tennessee River Gorge in Chattanooga, Virgin Falls Pocket in Sparta, Cherohala Skyway in Tellico Plains, and Lookout Mountain in Rock City. You can learn more about each of these unique destinations by reading our previous article: Here Are The 7 Most Incredible Natural Wonders In Tennessee.

What are the best day trips to take in Tennessee?

One could easily devote an entire lifetime to exploring all that Tennessee has to offer. From rugged mountains to beautiful lakes, caves, and rivers, there's simply no shortage of adventure here in Tennessee. If you're hoping to plan some memorable day trips, there are several destinations that belong on your itinerary. These include any of the following: Carter House and the Carnton Plantation, Chattanooga and the Choo-Choo, Gatlinburg, the Great Smoky Mountains, Memphis and Graceland, the Historic Sam Davis Home and Plantation, the City of Gallatin, the Pioneers of Murfreesboro, and historic Knoxville.