A station on the Metropolitan Line, in Travelcard Zone 9, opened in September 1892 and known as Amersham & Chesham Bois 1922-34. Currently the terminus of the Metropolitan Line: prior to 1961 the line extended to Aylesbury (this route was taken over by mainline trains from Marylebone Railway Station) and, prior to 1935 on to Brill. More information on the Wikipedia page [1].