Flat Top Mountain is the highest summit of the Flat Tops in the Rocky Mountains of North America. The prominent 12,361-foot (3,768 m) peak is located in the Flat Tops Wilderness, 19.1 miles (30.7 km) south-southwest (bearing 201°) of the Town of Oak Creek, Colorado, United States, on the drainage divide between Routt National Forest and White River National Forest.