Glen Dale is a city in Marshall County, West Virginia, United States, along the Ohio River. It is part of the Wheeling, West Virginia Metropolitan Statistical Area. The population was 1,514 at the 2020 census. Glen Dale was incorporated in 1924. It is in the northwest part of the county, which is above the Mason–Dixon line and forms the base of the Northern Panhandle of West Virginia.

Marshall County is a county in the U.S. state of West Virginia. At the 2020 census, the population was 30,591. Its county seat is Moundsville. With its southern border at what would be a continuation of the Mason-Dixon line to the Ohio River, it forms the base of the Northern Panhandle of West Virginia.