The Pathfinder Tours 1Z46 14:58 Trawsfynydd to York 'Trawsfynydd Trekker' railtour on 27 August 1994 negotiates one of the many sharp bends on the Blaenau Ffestiniog to Trawsfyndd branch. 31190 brings up the rear at Teiliau, while out of sight at the front of the train is 31327.