Twin Devils Falls is a 19-foot waterfall on Big Devils Fork in Newton County, Arkansas, in the Boston Mountains region. It lies about 19.9 miles west of Marshall and roughly 57.6 miles northwest of Conway as the crow flies.
At 19 feet it is on the modest side for Arkansas, where the typical waterfall with a recorded height stands around 34 feet; it ranks 80th of 110. By form it is a punchbowl, where the water is forced through a narrow gap into a large pool.
The Boston Mountains are the highest and most rugged part of the Ozarks, deeply dissected sandstone plateaus covered in oak-hickory forest with shortleaf pine. Clear creeks cut narrow hollows with numerous bluff-line waterfalls, at their best in spring. Big Devils Fork carries 2 recorded waterfalls, and Twin Devils Falls is the tallest of them.
Newton County holds 42 recorded waterfalls, and several are close by. Richland Falls, an 8-foot block waterfall, is under a mile away. Hamilton Falls, a 12-foot curtain waterfall, is under a mile away. Fuzzybutt Falls, a 16-foot horsetail waterfall, is about 3.2 miles away.
Twin Devils Falls is located at 35.8058° N, 92.9640° W. The listing is based on the World Waterfall Database, one of the sources compiled by the U.S. Geological Survey in its inventory of waterfalls and rapids of the conterminous United States. The creek name is confirmed against the federal Geographic Names Information System. The position was verified on aerial imagery. Details on trails, parking and access have not been documented for this waterfall yet.