Indiana Caverns Tour, Corydon, Indiana, USA
On Saturday, February 11th, 2012, a connection between Blowing Hole and Binkley Caves was discovered. The Binkley Cave System became the 11th longest in the nation and the longest in Indiana. Their combined length totaled 35.89 miles with more passageways awaiting discovery.
The impact of this discovery was huge. A public entrance to Binkley Cave could now be created to allow visitors into the cave system. Previously all entrances were located on private property with restricted access. As of October 2016 the cave is over 43.9 miles long.
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