Arpan is an unincorporated community in Butte County, in the U.S. state of South Dakota. [1]
Arpan was platted in 1910, and named for a local family. [2] A post office called Arpan was in operation from 1911 until 1940. [3] the current Google location is wrong and north of the true location. The true location is at 18078 arpan road as recognized by a monument place by the Butte County historical society noting the original post office of arpan South Dakota.
44°47′18″N103°38′57″W / 44.78833°N 103.64917°W