West Virginia, the "Mountain State," has over 100 named summits (peaks with official USGS designations). Including unnamed knobs, ridges, and sub-peaks across the Appalachian Plateau, Allegheny Mountains, and Ridge-and-Valley provinces, the total exceeds several hundred. Highest: Spruce Knob (4,863 ft). The state's mean elevation (1,500 ft) is highest east of the Mississippi.