Waterfall 21 mi SW of Marshall is a waterfall in Pope County, Arkansas, in the Boston Mountains region. It lies about 21.2 miles southwest of Marshall and roughly 45.6 miles northwest of Conway as the crow flies.
Its height has not been recorded in the source data.
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.
Pope County holds 57 recorded waterfalls, and several are close by. Waterfall 21 mi NE of Dover, is about 2.7 miles away. Waterfall 20 mi NE of Dover, is about 3.2 miles away. Waterfall 20 mi SW of Marshall, is about 3.9 miles away.
Waterfall 21 mi SW of Marshall is located at 35.6592° N, 92.8506° 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.