The Cumberland Caverns are a 3.5 million-year old, 32-mile long system. The entry to the Volcano Room passes a waterfall & sparkling pool. Over 300-ft. deep, the venue has a 40-ft. ceiling and is nearly acoustically perfect. Musicians and guests alike marvel at the look & sound and a truly eclectic gathering of authentic Americana, Roots and Bluegrass acts make up the Bluegrass Underground series.
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