The breathtaking Red Rocks of Sedona are a group of several limestone rock formations located near the city of Sedona in Arizona, United States. The rocks are known for the incredibly vibrant red and orange glow they exhibit when illuminated at sunrise and sunset. A few of the better known formations include Cathedral Rock, Devilís Bridge natural arch, and the Devilís Kitchen sinkhole. Visitors to Sedona can enjoy endless hiking and mountain biking trails in and around the rocks. A Red Rock Pass must be acquired from the Sedona Chamber of Commerce Visitor Center to use the trails.