Welcome to ISM

A warm welcome to the International School of Mountaineering Ltd, a guiding organisation dedicated to sharing the skills, enjoyment and adventure of mountaineering in all its aspects.

Our expertise has been developing through 50 years of operation and the combined experience of our guiding team is probably unrivalled anywhere in the world. This is the key to our continuing success in striving to provide the best mountaineering courses, Ski-Tours and Trek & Summit weeks while maintaining an outstanding safety record.

We look forward to climbing with you!

Latest news

ISM Celebrating 50 years

ISM Celebrating 50 years of alpinISM
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Article in 'The Professional Mountaineer' on Heuristic Traps

Article in 'The Professional Mountaineer' on Heuristic Traps by Adrian Nelhams
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Upcoming Courses



Technical Alpine Ascents

Level 3   Guiding & Coaching
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Swiss Giants

Level 2   Guiding & Coaching
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Technical Alpine Rock

Level 3   Guiding & Coaching
More details…

ISM Guide, @AdrianNelhams enjoying some early season climbing! https://t.co/ShJaT8NUdz

Course Calendar

See an overview of our courses and availability: