The railway route through the Central Highlands from Perth to Inverness offers a spectacular journey through a variety of landscapes. Initially traversing the pastoral Strathtay as far as Ballanluig, the scenery becomes more dramatic and bleak as the line runs alongside the river Garry and on to Druimuachdar, the highest standard gauge railway summit in the United Kingdom. From Newtonmore, the valley of the Spey is followed to Aviemore, giving excellent...