Wall (Lakota: Makȟóšiča Aglágla Otȟuŋwahe,[5] "Town alongside the Badlands") is a town in Pennington County, South Dakota, United States.

[6] Wall was platted in 1907 when the Chicago and North Western Railroad was extended to that point.

[9] The town is most famous for the Wall Drug Store, which opened as a small pharmacy in 1931 during the Depression, but eventually developed into a large roadside tourist attraction.

[10] The National Grasslands Visitor Center is also located in Wall.

[11] The town is located on the eastern side of Pennington County across the Cheyenne River, thus being the largest settlement in the area.

There were 436 housing units at an average density of 200.9 per square mile (77.6/km2).

At the 2000 census, there were 818 people, 349 households, and 212 families residing in Wall.

[14][15] Intercity bus service to the city is provided by Jefferson Lines.