66106 gives 67004 a helping hand with the 4D05 11:37 Inverness to Mossend empty parcels vans on 10 June 2005. The train is just passing Drumochter Summit, as marked by the blue board on the right. At 1484 feet above sea level this is the highest point on the national rail network, and marks the end of am arduous climb all the way from Newtonmore, with several stretches at 1 in 80. The climb from the other direction is even worse with over six miles of continuous 1 in 70 gradient.