Peacehaven is a town and civil parish in the Lewes district of East Sussex, England. It is above the chalk cliffs of the South Downs about 6 miles east of Brighton city centre, on the A259 road. It is the place where the Greenwich meridian crosses the English south coast. Peacehaven is next to Telscombe Cliffs, a later western extension to Peacehaven, which is in a separate parish and has a separate town council.