The Mountains Are Calling may be the exhilarating story of the runners who head to high places. From its crazy roots in the Highlands, hill running in Scotland remains as pure and traditional as sport gets. Jonny Muir explores the annals and culture of the activity, and fits the legends of hill operating who are revered for his or her extraordinary stamina. As he discovers the insatiable lure from the hillsides, a calling prospects him towards the supreme check of mountain running: Ramsay’s Round a continuing loop of 23 of Scotland highest mountains, to become completed within a day.