Nimblewill Falls is an impressive sliding-type waterfall about 100 feet high, located on a western tributary of Nimblewill Creek. The waterfall can be accessed via a short but extremely steep bushwhack down from Nimblewill Gap Road (FR 28-2). It's best seen in wet weather. 

For detailed directions, see page 95 in Mark Ozboyd's "Waterfalls of Georgia" guidebook.