Mark Charlton

IFMGA British Mountain Guide

Qualified at 25 year old as an IFMGA guide, Mark has worked for ISM during his first Alpine season. Having skied from a very early age rock and ice climbed as a young teenager he has made first ascents and descents on all continents of the world. Mark has been guiding for over 30 years working at Glenmore Lodge, Plas y Brenin, before playing a major role working at ISM and throughout the Alps and numerous other parts of the world.

A full time resident of the Chamonix Valley, Mark is currently the president of the British Association of Mountain Guides and has been involved in the training and assessment of guides for the British, Swedish and Polish Mountain Guides Associations.

Very keen climber and skier, Mark is still actively exploring new places with great consideration to environmental concerns.

Testimonials For ISM

Learned loads, the course is very carefully planned. Guiding and Instruction was excellent. Our ISM Guide was fantastic throughout & made the course really good fun. A very professional guide with a great sense of humour. Highly recommended.Summits & Skills 4000m 2026

Leigh Ritchie
Summits & Skills 4000m (Instructional Course)

What a brilliant week we had! I really enjoyed the fact that the course was very hands on and we were given freedom and responsibility to look after ourselves. I really like the fact that the price was all-inclusive, the the course was excellent value for money!Classic AlpinISM 2025

Rachel
Classic AlpinISM (Instructional Course)

Thanks for organising an excellent week. The course format & accommodation was perfect. The guide was outstanding & gave us a full week of constructive tuition. I was able to put this training into practice the following week when I met up with a friend.Classic AlpinISM 2026

R W
Classic AlpinISM (Instructional Course)

All Reviews