There are about 500,000 visitors every year to Mammoth Cave.
By comparison, Yellowstone National Park has about 3.7 million visitors annually and Mount Rushmore has 14.7 million visitors.
In 2009 it had 503,856 visitors.
Official NPS reports state the number as 483,319 visitors.
Mammoth Cave National Park in Kentucky receives over half a million visitors annually. It is one of the most popular cave systems in the world and offers a variety of tours and outdoor activities for visitors to enjoy.
Kentucky attracts around 27 million visitors annually, drawn to its attractions such as the Kentucky Derby, bourbon distilleries, and natural beauty like Mammoth Cave National Park.
Mammoth Cave has 5 levels of passages.
morm them a millal
About 500,000.
About 591 kilometers of mapped area.
More then 390 miles of passageways have been mapped.
The height and width of Mammoth Cave varies depending on where you happen to be in the cave. Its explored length is about 400 miles (over 600 km), and spelunkers report that there are still many more miles to discover.
It is difficult to determine exactly how many miles of Mammoth Cave have not been discovered as the cave system is constantly being explored and mapped. However, the known explored length of Mammoth Cave is over 400 miles, making it the longest known cave system in the world.
There are more than 300!