Waterfall 20 mi SW of Marshall is one of the recorded waterfalls in Pope County, Arkansas, in the Boston Mountains region. It lies about 20.2 miles southwest of Marshall and roughly 49.5 miles northwest of Conway as the crow flies.
No height measurement has been recorded for it yet.
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.
There are 57 recorded waterfalls in Pope County. Falling Water Falls, a 10-foot block waterfall, is about 3.5 miles away. Waterfall 21 mi SW of Marshall, is about 3.9 miles away. Keefe Falls, a 78-foot plunge waterfall, is about 4.6 miles away.
Waterfall 20 mi SW of Marshall is located at 35.7059° N, 92.8896° W. The listing is based on the USFS Center for Aquatic Technology Transfer (SARP), one of the sources compiled by the U.S. Geological Survey in its inventory of waterfalls and rapids of the conterminous United States. The exact position has not yet been verified on aerial imagery, so treat the map pin as approximate. Details on trails, parking and access have not been documented for this waterfall yet.