Red Rocks Amphitheatre is a rock structure near Morrison, Colorado, 10 miles west of Denver, where concerts are given in the open-air amphitheatre. There is a large, tilted, disc-shaped rock behind the stage, a huge vertical rock angled outwards from stage right, several large outcrops angled outwards from stage left and a seating area for up to 9,450 people in between. The amphitheatre is owned and operated by the City and County of Denver, Colorado and is located in Red Rocks Park, part of the Denver Mountain Parks system.