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International School of Mountaineering

Summer Alpine Mountaineering

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Summer Alpine Mountaineering

Our Courses allow you to progress in a logical, and thorough way, ensuring you get the full benefit from our courses and are able to move on the our more advanced courses if you wish.

Summer Highlights

  • Instructional courses
  • Guided climbing
  • Custom weeks for groups
  • Private Guiding
  • Expert guiding and instruction from experienced ISM Guides
  • A prestigious English speaking climbing and mountaineering school based in Leysin Switerland since 1965

Testimonials For ISM

Just a quick word of thanks for the course last week. Our guide Tom was excellent and covered a lot of miles to ensure we got the best conditions and great routes in and was always ready with a word or two of advice when needed - please pass my thanks on to him.Classic Alpine Rock 2026

James
Classic Alpine Rock Climbs

I just wanted to say that I enjoyed the course immensely and learned a great deal.Doing this course definitely gave me confidence and I am considering doing more courses with you in the future.Summits and Skills Summer 2026

Anna
Summits & Skills 4000m (Instructional Course)

Fantastic trip, both ISM Guides were amazing! Wholeheartedly loved the trip, already looking at doing another one!Summits & Skills 4000m 2026

Edward
Summits & Skills 4000m (Instructional Course)

Team Spotlight

Tom Bw

Tommaso Dusi

IFMGA Italian Mountain Guide

Tommaso is a an experienced Italian mountain guide and regular year-round ISM team member. He loves the mountains and helping people to connect and find happiness in nature.

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