Running alongside the Humber Estuary, you would think that the Barton-on-Humber branch was flat. This telephoto view shows that it clearly not. 20309 & 20312 approach Barrow Haven on 6 September 2014 with the Pathfinder Tours 1Z38 13:53 Cleethorpes to Crewe 'Trent Almighty' railtour.