The Sinkhole, discovered by Anglo settlers in 1867, is a registered National Natural Landmark.

Devil's Sinkhole State Natural Area, formerly part of the Whitworth Ranch, is a 1,859.7-acre area located approximately six miles northeast of Rocksprings in Edwards County. It was acquired in 1985 and was opened to limited access in 1992. The Sinkhole property does not front a public roadway.