Gathland State Park is a public recreation area and historic preserve located on South Mountain near Burkittsville, Maryland, in the United States. The state park occupies the former estate of war correspondent George Alfred Townsend (1841-1914), who wrote under the pen name "Gath" during the American Civil War. The estate's few remaining original structures include the War Correspondents Memorial Arch, which sits alongside the Appalachian Trail. The park is operated by the Maryland Department of Natural Resources. The arch is a National Historic Monument maintained by the National Park Service.