Chilhowee Park is a public park, fairgrounds and exhibition venue in Knoxville, Tennessee, United States, located off Magnolia Avenue in East Knoxville. Developed in the late 19th century, the park is now home to the Tennessee Valley Fair, and hosts several dozen expositions annually. The park covers 81 acres (33 ha), and includes a 57,100-square-foot (5,300 m2) pavilion, a 1910-era bandstand, a 4,500-seat amphitheater, and a 3-acre (1.2 ha) lake, Lake Ottosee. The park is also home to a science museum, the East Tennessee Discovery Center.