The town is the location of the annual West Virginia Molasses Festival. In 1862, the U.S. Infantry established an outpost here to help suppress Confederate activity. On May 6, 1862, rebel raiders, organized as the Moccasin Rangers, unsuccessfully attacked the encampment. Throughout the latter half of the 1800s, Arnoldsburg vied with Grantsville, WV, as the location of the county seat. Highways US-33, US-119, and WV-16 junction at Arnoldsburg.
Arnoldsburg is located approximately 15 miles south of Grantsville and 25 miles north of I-79 at Big Otter, WV.
Arnoldsburg is located in the Heartland Region of central West Virginia.