Discover America’s largest underground lake in this epic East Tennessee adventure! The Lost Sea Adventure cave/boat tour takes you deep into the Craighead Caverns and across the largest underground lake in North America. Make sure to bring a light jacket (the caves year round temp is 58°), sturdy shoes and a water bottle (the tour is over an hour long). Please note you should be in good health and be able to walk up and down steep slopes for 0.75 miles. The tour takes breaks throughout the tour
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Discover America’s largest underground lake in this epic East Tennessee adventure! The Lost Sea Adventure cave/boat tour takes you deep into the Craighead Caverns and across the largest underground lake in North America. Make sure to bring a light jacket (the caves year round temp is 58°), sturdy shoes and a water bottle (the tour is over an hour long). Please note you should be in good health and be able to walk up and down steep slopes for 0.75 miles. The tour takes breaks throughout the tour
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