Troy Peak is the highest mountain in the Grant Range in northeastern Nye County, Nevada, United States. It is the thirty-sixth highest mountain in Nevada. Troy Peak also ranks as the third-most topographically prominent peak in Nye County and the fourteenth-most prominent peak in the state. The summit is located 72 mi southwest of the city of Ely, within the Grant Range Wilderness of the Humboldt-Toiyabe National Forest.