Looking north across the ditch,the bailey to the mottte.
see http://www.wospweb.com/site/Swerford/Swerford-Castle.htm
see
see http://www.history.bluerow.co.uk/motte_and_bailey.htm
see http://www.gatehouse-gazetteer.info/English%20sites/2972.html
se http://castlefacts.info/castledetails/castleDetails3.aspx?uin=12972