The 24-mile “Is That All You Got” (ITAYG) Loop has been popularized by the LinvilleGorge.net forum.  Hawk-eye outlines the route in this thread (login required).

The ITAYG loop can be viewed in the LGMAPS Google Earth Map Collection.  Track data for the loop comes from the 2013 edition of The LinvilleGorge.net Trail Map.

 

The “Is That All You Got” (ITAYG) Loop as shown in the LGMAPS Google Earth Collection.