The seventh Piolet d'Or Carrière will be awarded this year to British alpinist and mountaineer Chris Bonington in recognition of his lifetime achievements in mountaineering.
In tonight's video, Sir Chris and Leo Houlding climb the original route up the Old Man of Hoy - first climbed by Sir Chris himself and Tom Patey in July 1967 - to celebrate his 80th birthday and also to raise awareness and funds to battle motor neurone disease, in memory of his wife Wendy who died of the condition last year.