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Mountain Glen
6182 Brockdell Road
Pikeville, TN 37367
1.877.716.4493
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Things To Do
Things To Do > Attractions > The Lost Sea Adventure
Attractions - The Lost Sea Adventure
Stroll through an 18th century village, explore huge fascinating caverns, then float across America's largest underground lake!

The Lost Sea Adventure is home to America's largest underground lake, located in beautiful Sweetwater, Tennessee. The Lost Sea Adventure is open every day of the year for tours (except Christmas Day). Be sure to bring your camera and be prepared for an unforgettable experience!
Lost Sea
Prices and Hours
Call for current prices and hours.
Phone & Address
(423) 337-6616
140 Lost Sea Road
Sweetwater, TN 37874
Directions (from Mountain Glen)
Turn RIGHT out of Mountain Glen onto Brockdell Rd - drive approximately 8.8 miles.
Turn LEFT onto US-127 - drive approximately 7.9 miles.
Turn RIGHT onto TN-30 - drive approximately 16.8 miles.
Turn RIGHT onto N Market St/TN-30/TN-378 - drive approximately 0.2 miles.
Turn LEFT onto E 3rd Ave/TN-30 Continue to follow TN-30 - drive approximately 24.2 miles.
Turn LEFT to MERGE onto I-75 N toward Knoxville - drive approximately 11.6 miles.
Take EXIT 60 for TN-68 toward Spring City/Sweetwater - drive approximately 0.4 miles.
Turn RIGHT onto Lost Sea Pike/TN-68 S - drive approximately 7.3 miles.
Turn LEFT onto Lost Sea Rd - drive approximately 0.1 miles.
Arrive at The Lost Sea Adventure.
All information and photos contained herein are property of The Lost Sea Adventure.
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