& Passes Mammoth Cave National Park U.S. National. Tequesta Entry to Kooskia Mammoth Cave National Park and its surface features is White-River free of charge. There is, however, a charge to tour the cave. Cave tour prices vary. Mammoth Passage. Basic Information Mammoth Cave National Park U.S. From the North Take Interstateto City Exit. Turn right onto KY70. Follow Copemish 70/255 as it becomes the Mammoth Cave Parkway New-Waterford in the park. Follow the. #eclipse2017 Most popular Instagram photos of the solar. Here are the most liked photos across the country as America captured the historic event.