Hallelujah Peak is a 12,594-foot mountain in Wyoming’s Bighorn Mountains, in the Cloud Peak Wilderness of Bighorn National Forest. Also called Peak 12590, it is the fifth-highest summit in the range. The mountain stands 0.64 miles northeast of Black Tooth Mountain and is connected to it by a narrow, knife-like arête. Its first recorded ascent was made by W. B. Willcox and his brother Alan Willcox.