Mockham Down is the site of an Iron Age hill fort close to Brayfordhill in Devon, England. It takes the form of a multi-ditch and rampart enclosure close to the top of the hill known as Mockham Down at an elevation of . There is a smaller enclosure to the west on the next hill at an elevation of .R.R.Sellman, Aspects of Devon History, Devon Books 1985 - - chapter 2 "The Iron Age in Devon". Map Page 11 of Iron Age hill forts in Devon includes Mockham Down.

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