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International School of Mountaineering
Summer Alpine 2

Instructional Courses

 Walking along a ridge

Guided Courses

 Summer Alpine 1

Private Guiding & Custom Weeks

Summer Alpine Mountaineering

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Private Guiding 1

Private Guiding 2027

Private Guiding & Custom Weeks

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Matterhorn Ascent - A Classic Alpine Dream!

Level 3: Private Guiding & Custom Weeks

1:1 Ratio
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Custom Courses 1

Custom Courses 2027

Private Guiding & Custom Weeks

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Do you know what you want but don't see it in our usual courses? Call us and we'll see where we can help.

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

I just wanted to thank you as well as Mark, our guide for the amazing week. The course was well organized and was just perfect for a beginner to mountaineering. We couldn't have wished for a better adventure. The memories are irreplaceable.Summits & Skills 4000 2025

EP
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)

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)

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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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Knowledge Base

Is Your Avalanche Transceiver Working Properly?

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