Know about Epsom : Epsom is a town in the borough of Epsom and Ewell in Surrey, England, to the south of Greater London. The town is located 18 miles (29 km) south-south-west of Charing Cross, and forms part of the suburbia that surrounds London. The town lies on the chalk downland of Epsom Downs. Historically, Epsom was known as a spa town, although there is little to see nowadays. There were entertainments at the Assembly Rooms (built c. 1690) and is now a Wetherspoons pub. A housing estate has now been built upon the wells. Epsom salts are named after the town. Epsom salt was originally prepared by boiling down mineral waters at Epsom.