Bussock Camp - Credit: Wikimedia Commons
Bussock Camp is the site of an Iron Age bivallate hillfort located in Berkshire, England. It has a double bank and ditch to the south and east, with only a single bank remaining the north and western sides. The entrance is to the north of the site and is believed to be original,http://www.themodernantiquarian.com/site/11882/bussock_camp.html The Modern Antiquarian: Bussock Camp and the site encloses approximately 11 acres.http://www.berkshirehistory.com/castles/hillforts.html Berkshire History website Read more on Wikipedia
Source: en.wikipedia.org