Hiking the Appalachian Trail is a remarkable otherworldly experience. So if you are planning on thru-hiking one of America’s most popular hiking trails, get ready to have one hell of an unforgettable experience. The Appalachian National Scenic Trail is popularly known as Appalachian Trail or the AT. It is located in the Eastern United States, starting from the Springer Mountain in Georgia and ending at Mt. Katahdin in Maine.