Mammoth Cave National Park

A ranger explains Mammoth Cave in the vast passage known as Broadway. Rotunda, one of the cave's largest rooms, is just ahead.
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.
Map showing location of park.
A green telescope against a background of the starry night sky
Mammoth Cave National Park Hosts Star Party for Perseids Meteor Shower
Mammoth Cave National Park invites you to experience the Perseids meteor shower at an evening Star Party on Friday, July 18 from 7 p.m. to 10 p.m. CDT.
A circular logo with a brown National Park Service arrowhead against a blue background, encircled with green and yellow ring with "Volunteer" centered at the top in white text.
Mammoth Cave National Park Volunteers Recognized with Excellence in Volunteerism Awards
Two sets of Mammoth Cave National Park volunteers have been recognized by the National Park Service (NPS) Southeast Regional Office with Excellence in Volunteerism Awards. The Team Impact Award was given to Pam Saberton and Linda Bundy and the Innovation Award was given to the Mammoth Cave National Park Fossil Expedition Team.
A closeup image of a large, silver metal paddlewheel used to navigate a ferry vessel.
Green River Ferry Road South will temporarily close for transport of ferry vessel
Green River Ferry Road South in Mammoth Cave National Park will close from its intersection with Mammoth Cave Parkway to the Green River Ferry parking area on Tuesday, May 6 from 10 a.m. to 6 p.m. CDT.
A man stands at a podium in an underground cave passageway while speaking to a group seated in front of him.
New U.S. Citizens sworn in at Mammoth Cave National Park
Mammoth Cave National Park and U.S. Citizen and Immigration Services welcomed twenty-nine new citizens of the United States during a naturalization ceremony held inside Mammoth Cave on Thursday, April 24.
A large rock covered in dirt and loose cables sits on the ground in front of a large ferry boat.
Green River Ferry navigational cable system damaged during flooding at Mammoth Cave National Park
Green River Ferry infrastructure in Mammoth Cave National Park sustained extensive damage to its navigational cables and support towers during last week’s historic flooding event. The vehicle ferry operation will be closed for several months until repairs are complete.
A cascade of water pours over a rock ledge. Green foliage is in the background.
Photo by NPS Photo/ Deb Spillman
A long staircase travels down a slope into the dark cave opening.
Photo by NPS Photo/ Thomas DiGiovannangelo
A long cave passage with an oval shape.
Photo by NPS Photo/ Thomas DiGiovannangelo
A small white church building with yellow flowers in the foreground.
Photo by NPS Photo/ Thomas DiGiovannangelo
A wooden boardwalk leads into the forest.
Photo by NPS Photo/ Thomas DiGiovannangelo
A view of a river valley with hills covered in trees. A blue sky with white clouds stands above.
Photo by NPS Photo/ Thomas DiGiovannangelo
A large stacked stone pillar reaches the flat ceiling containing signatures in a cave passage.
Photo by NPS Photo/ Jackie Wheet