 In Devon the site includes Barcombe Down and North Molton Ridge, southeast of South Radworthy, Molland Common, north of Molland, and West Ansty and East Ansty Commons.In Somerset the site includes Brightworthy Barrows and part of Withypool Common, Winsford Hill and Haddon Hill, all within the Exmoor National Park.The site contains extensive areas of heathland including lowland communities which are only found in South West England and South Wales.