The Lost Sea Adventure, Sweetwater
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Facts and practical information
Craighead Caverns is an extensive cave system located in between Sweetwater and Madisonville, Tennessee. It is best known for containing the United States' largest and the world's second largest non-subglacial underground lake, The Lost Sea. In addition to the lake, the caverns contain an abundance of crystal clusters called anthodites, stalactites, stalagmites, and a waterfall. ()
Established: 1974 (50 years ago)Coordinates: 35°32'3"N, 84°25'57"W
Day trips
The Lost Sea Adventure – popular in the area (distance from the attraction)
Nearby attractions include: First Presbyterian Church, Madisonville.
Frequently Asked Questions (FAQ)
When is The Lost Sea Adventure open?
The Lost Sea Adventure is open:
- Monday 9 am - 5 pm
- Tuesday 9 am - 5 pm
- Wednesday 9 am - 5 pm
- Thursday 9 am - 5 pm
- Friday 9 am - 5 pm
- Saturday 9 am - 5 pm
- Sunday 9 am - 5 pm