The summit of Big Mountain is 1,145 feet above sea level. It is located 5.5 miles northeast of Moyers, Oklahoma.USGS data made available on http://www.mountainzone.com/mountains/detail.asp?fid=1900456. Buck Creek forms its southern limit. Pine Creek forms its northern limit. The Kiamichi River forms its eastern limit, and Kimbrough Creek forms its western limit. The mountain is considered to form the southern geographic limit of Johns Valley.
