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The Lost Sea Adventure

140 Lost Sea Road
Sweetwater, Tennessee
423-337-6616
Featuring America’s largest underground lake at 4.5 acres, visitors can view caverns and then take a ride on the lake. The 58-degree caves feature “cave flowers,” unique to only a few caverns worldwide.

Afterwards visit the 18th century Old Sweetwater Village with general store, ice cream parlor, gem mining and a glassblowing. Nature trails are also available.
Hours & Admission
Caves: November to February, daily 9:00 a.m. to 5:00 p.m.; March, April, September and October, daily 9:00 a.m. to 6:00 p.m.; May, June and August, daily 9:00 a.m. to 7:00 p.m.; and July 9:00 a.m. to 8:00 p.m. Village: seasonally. Closed December 25. Admission.
Information subject to change without notice.
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