The Chiltern Hills form a chalk escarpment in South East England. They cover an area southwest to northeast diagonally, from Goring-on-Thames in Oxfordshire, through Buckinghamshire, via Dunstable Downs and Deacon Hill in Bedfordshire, to near Hitchin in Hertfordshire.
Training on a bronze Duke of Edinburgh weekend, starting at Ashridge estate, camping at Chilterns Basecamp and finishing at Chilterns Gateway visitor centre
