Cheyenne Mountain Zoo is America's only mountainside zoo. It is located southwest of downtown Colorado Springs, Colorado, on Cheyenne Mountain in the United States and has an elevation of 6,800 feet above sea level. The zoo covers 140 acres (57 ha), 40 (16 ha) of which are in use. It is located west of The Broadmoor resort along the slopes of Cheyenne Mountain's lower north end. The animal collection includes more than 750 animals, representing nearly 150 different species, with more than 30 endangered species.