Welcome to the first of an exciting new 16-part series - BMW Touring Experiences.... We start with part one of a two part special about a unique annual event for serious fell walkers - The 3 Peaks Challenge. We discuss the theory, passion, motivation, dangers involved and the knowledge needed. Host John Brunning meets the three people who took the challenge to climb the UK mainlands three highest mountains - Snowdon, Ben Nevis and Scarfell Pike in the Lake District national park. Part two can be download on Friday 20th October. You can also see the Channel 4 online video by clicking here.