So I've had this image as my desktop background for the last month
http://www.themodernantiquarian.com/post/141997/maiden_castle_dorchester.html
Obviously the Iron Age ramparts make it hard to tell, but given the proclivity of Dorset neolithic folk to make phalluses (Maumbury Rings holes, that giant one on Down Farm etc). is it so far out there to think the causewayed enclosure was placed at the end of that hill to make the whole hill look like a giant cock?