Pretty Branch Falls is a 20-foot sliding-type waterfalls found off-trail in the upper reaches of Pretty Branch near Spencer Knob. It can be accessed by a short bushwhack off a gated road east of Pretty Branch, starting from Duncan Ridge Road (FR 39). 

To learn about more waterfalls in the Blue Ridge area, see chapter 4 in Mark Ozboyd's "Waterfalls of Georgia" guidebook.