The Great Train Robbery was the robbery Robbery of £2.6 million from a Royal Mail train heading from Glasgow to London on the West Coast Main Line in the early hours of 8 August 1963 , at Bridego Railway Bridge , Ledburn , near Mentmore in Buckinghamshire , England .

With careful planning Arranging based on inside information from an individual known as `` The Ulsterman '' ( erroneously named as Patrick McKenna in 2014 ) , the robbers escaped Escaping with over £2.6 million ( equivalent to £ today ) .