Big South Fork National River And Recreation Area
![Big South Fork National River And Recreation Area Big South Fork National River And Recreation Area](http://tnency.utk.tennessee.edu/wp-content/uploads/2017/11/B044a.jpg)
One of the most unique geological formations in the Big South Fork National River and Recreation Area is the Twin Arches, a State of Tennessee Natural Feature. The North arch, shown here, has a clearance of 51 feet and spans 93 feet.
![Big South Fork National River And Recreation Area Big South Fork National River And Recreation Area](http://tnency.utk.tennessee.edu/wp-content/uploads/2017/11/B044a.jpg)