Cotter Tunnel

The Cotter Tunnel is a railroad tunnel located just outside Cotter, Arkansas. It carries the Missouri and Northern Arkansas Railroad under a ridge that U.S. Route 62 traverses. The tunnel is in length and is cut through solid rock in a northwest–southeast direction. The southeastern portal has a sprayed concrete finish, while the northeastern portal is unfinished. The White River Division of the Missouri Pacific Railroad built the tunnel in 1903–04, and it was an important transportation link to the area at that time. The rail line continues to be used for active freight service.
The tunnel was listed on the National Register of Historic Places in 2007.