Nestled in the northern reaches of Surrey is the district of Epsom and Ewell. The town of Epsom is famous for its racecourse - home of the legendary Derby and The Oaks - while Ewell is a pleasant suburban area that has a high street lined with many fine old buildings. Mineral waters are significant in the history of both towns with Ewell springs attracting nomadic hunters of the Middle Stone Age, and the discovery of the well-known salts resulting...