The first ascent of Monster Tower was made in December 1963 by Layton Kor, Larry Dalke, and Cub Schafer via the South Ridge (class 5.11). The best route on Monster is the class 5.11a North Ridge, which was first climbed in 1981 by Ken Trout and Kirk Miller. Another alpine route, Monster of Rock (5.11) on the south face, was first climbed in 1982 by Edward Webster and Chester Dreiman. Los Banditos is an aid climb.