The Saturday and Sunday particularly focussed on the 40th Anniversary of the opening of the extension between Abergynolwyn and Nant Gwernol in May 1976.
Then on the Sunday the railway ran the peak service timetable from the summer of 1976 the year the extension was first opened.
Bank Holiday Monday saw a double celebration with the 75th anniversary of the railway’s diesel locomotive No.5 ‘Midlander’, and the 25th anniversary of the railway newest steam locomotive, No.7 ‘Tom Rolt’.
