Overview
About Mammoth Cave National Park.
Rolling hills, deep river valleys, and the world's longest known cave system. Mammoth Cave National Park is home to thousands of years of human history and a rich diversity of plant and animal life, earning it the title of UNESCO World Heritage Site and International Biosphere Region.
AstronomyStargazingBikingBoatingCampingBackcountry CampingCanoe or Kayak CampingCar or Front Country CampingHorse CampingGroup CampingRV CampingCaving
Weather
Kentucky has a moderate climate with warm, yet moist conditions. Summers average in the high 80s; winters average in the low 40s. Southern Kentucky, where Mammoth Cave is located, receives the highest average precipitation for the state, about 50 inches per year, mostly in spring. Winter can bring mild to moderate snow and ice. Storms happen year-round, and can include tornadoes and flooding in low-lying areas, but severe weather is infrequent. The temperature deep in the cave is a constant 54°F (12°C).
Gallery
Photos of Mammoth Cave National Park.
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Things to do
Discover Mammoth Cave National Park.
Attend a Ranger-led Program
10-60 MinutesAttending a ranger-led program in the park is a great way to discover new things and learn more about the Mammoth Cave National Park.
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Become a Mammoth Cave Junior Ranger
Do you want to explore, learn about, and protect Mammoth Cave? If so, become a Mammoth Cave Junior Ranger! The Junior Ranger activity book is appropriate for all ages and is a great way to get more in-depth knowledge about the world’s longest cave and to learn about the natural wonders of the park.
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Cave Tours
1-6 HoursJoin a ranger as you discover the complex history and intricate geology of the worlds longest cave system.
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Dennison Ferry to Green River Ferry
150-240 MinutesThis popular river trip takes paddlers from the Dennison Ferry Day Use Area to the Green River Ferry.
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Explore the park on Horseback
Mammoth Cave National Park is an exceptional destination for anyone who loves to see the world from the back of a horse.
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Explore Wildflowers at Cedar Sink
45-60 MinutesStunning rock faces, cave springs, and geological panoramas, you will experience a wide array of seasonal wildflowers and biodiversity.
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Green River Ferry to Houchin Ferry
4-6 HoursThis longer section of the Green River is less traveled then the popular Dennison Ferry to Green River Ferry trip.
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Houchin Ferry to Brownsville
90-120 MinutesThis short trip travels along the Green River from Houchin Ferry inside Mammoth Cave National Park to the former site of Lock and Dam #6 or the Brownsville boat ramp.
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Mammoth Cave Railroad Bike and Hike Trail
Originally opened in 1886 the Mammoth Cave Railroad brought early tourists to Mammoth Cave and other neighboring caves in the area. Today, a portion of the path of the former Mammoth Cave Railroad has been converted into a 9-mile hike and bike trail.
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