The land within the Dorset Heaths rises to a maximum of 193 meters at Creech Barrow Hill, Database of British and Irish Hills, Appendix P30, v2.1 Ordnance Survey 1:50,000 Landranger map series Dorset Heaths - Natural Area Profile , by English Nature, Oct 1997, at www.naturalareas.naturalengland.org.uk.