Cedar Breaks National Monument is a U.S. National Monument located in the U.S. state of Utah near Cedar City. Cedar Breaks is a natural amphitheater, stretching across 3 miles, with a depth of over 2,000 feet. The elevation of the rim of the amphitheater is over 10,000 feet above sea level. Rising above the rim is the prominent Brian Head, the peak of which lies a short distance outside of the National Monument boundary.