McAfee Knob is a geological feature with an elevation of 3,197 feet above sea level, located on Catawba Mountain in Catawba, Virginia, roughly 15 miles northwest of Downtown Roanoke. It is named for a Scottish-Irish 18th-century settler. Considered to be among the most iconic points along the Appalachian Trail, the vista offers panoramic views of the Catawba Valley, 1,600 feet below.