Val PitkethlyVal Pitkethly has been leading treks in the Andes for many years. She is based in Canada, but also guides treks in Nepal and Europe. Kate Harper is an experienced mountain guide who has trekked all over South America and the Himalaya. Climbing consulant Victor Saunders is an internationally respected climber, qualified alpine guide and previous winner of the Boardman-Tasker prize. Read More Read Less