The Epsom Downs Branch is a railway line in the United Kingdom. The line runs from Sutton to Epsom Downs and is about 3 3⁄4 miles (6.0 km) long. The line starts at Sutton in the London Borough of Sutton. It is double track for about 3⁄4 mile (1.2 km) until it reaches the approach to Belmont where it becomes single track. The line continues from Belmont through Banstead and terminates at Epsom Downs in Surrey. The "Downs" referred to in the name are part of the North Downs.