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    Mammoth Cave National Park

    1 Mammoth Cave Parkway, Mammoth Cave, KY     (270) 758-2180
    Natural Wonders,  Parks,  Things to Do,  Caving 

    4 out of 5 based on 21 ratings

    Mammoth Cave National Park preserves the cave system and a part of the Green River valley and hilly country of south central Kentucky. This is the world's longest known cave sy... kentuckytourism.com