Dougie is in the centre of Scotland to climb Schiehallion, one of the country's most distinctive and popular munroes. He hears how landowners the John Muir Trust are balancing the needs of the 30,000 visitors a year with protecting this unique upland habitat.Further up the mountain, he meets a member of the Tayside Mountain Rescue Team to find out why call-outs increase at this time of year. Meanwhile, Cammy is near Blairgowrie to find out why a fruit famer is giving away his blueberry crop to charity, and Arlene is in Perthshire to uncover the story of the Maharaja who made Scotland his home. Elsewhere, landscape photographer Shahbaz Majeed is just outside Perth, on the final section of his journey along the course of the River Tay.