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Indiana Caverns knowing that on Saturday, February 11, 2012, people discovered the connection between Blowhole and Klee Cave. The Binkley Cave System became the 11th longest and longest cave system in the state of Indiana. They have a total length of 35.89 miles, and there are more passages waiting to be discovered. The impact of this discovery is huge. It is now possible to create a public entrance to the Binkley Caves to allow visitors to enter the cave system. All previous entrances were on private property, and access was restricted. Indiana Caverns Knows that as of October 2016, the caves are longer than 43.9 miles. There are many publications, three books, and many online posts about the Binkley Caves.