Further south, the Harvard Medical School, Harvard School of Dental Medicine, and the Harvard School of Public Health are located on a 21-acre (8.5 ha) campus in the Longwood Medical and Academic Area about 3.3 miles (5.3 km) south of the Cambridge campus, and the same distance southwest of downtown Boston.[1] The Arnold Arboretum, in the Jamaica Plain neighborhood of Boston, is also owned and operated by Harvard.