Roane County, West Virginia
is a county located in the U.S. state of West Virginia. As of the 2010 census, the population was 14,926. Its county seat is Spencer. The county was founded in 1856 and is named for Spencer Roane.
Sequatchie is one of three counties (along with Bledsoe and Marion) situated in the Sequatchie Valley, a long, narrow valley running northeast-to-southwest across the eastern portion of the Cumberland Plateau. The county is flanked by the Plateau's Walden Ridge escarpment on the east. The Sequatchie River, which spans the valley, passes through the county.