Grand Avenue Tour at Mammoth Cave National Park, Kentucky

Henri walking the Grand Avenue tour, Mammoth Cave

Last week, Henri and I took the Grand Avenue Tour at Mammoth Cave National Park, KY.┬áMammoth Cave National Park hosts the longest cave system in the world by far, with 400 miles of trails and passages. With such a huge underworld to discover, it is not a surprise that dozens of tours are proposed from very short & easy to very long & strenuous. Here is a review with pictures of the Grand Avenue Tour. Continue reading “Grand Avenue Tour at Mammoth Cave National Park, Kentucky”