Go Spelunking

If you enjoy negotiating extra tight spaces, tackling massive drop offs and vertical routes and exploring huge underground domes,then spelunking, or caving, should be your next adventure. There are over 8,500 caves in Tennessee and a high concentration of them are in the Cumberland Plateau area, within a few hours of Nashville.
The Nashville Grotto organizes expeditions to local sites for its members and serious cave explorers. Once you are a member, you can enjoy their regular trips and meetings.