Glastonbury Tor 12
Image by texlahoma

Mustard wrote:
Farming terraces/maze/other?
Funnily enough, that's what the National Monuments Record says:

http://pastscape.english-heritage.org.uk/hob.aspx?hob_id=196702&sort=4&search=all&criteria=glastonbury%20tor&rational=q&recordsperpage=10