Alderley Edge in Cheshire is one of the classic locations for the study of Triassic sandstones in the United Kingdom. Numerous scientists from the early 19th century up to the present day have studied the area and it is a popular field site for universities around the UK. As time progresses, new theories are developed and new hypotheses are tested as to the origin of the sandstones. The information presented here provides the history and current (as of 2006) thoughts on the geological evolution of the sandstones at Alderley Edge.