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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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Climbing Matterhorn Alps 1

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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Not sure which course to pick?

Are you wondering which course is right for you? Don't fret, we are on hand to help you choose.

Have something else in mind?

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 have enjoyed the course immensely and learned a great deal.Jon is an excellent instructor who made us do challenging things and test ourselves. Doing this course definitely gave me confidence and I am considering doing more courses with you in the future.Summits and Skills Summer 2026

Ann
Summits & Skills 4000m (Instructional Course)

Thank you very much for an enjoyable and inspiring week in the Alps, and for your patience and good humour throughout. You have a completely satisfied customer and I hope to join another ISM course sometime in the future.Classic AlpinISM 2025

Michael Firth
Classic AlpinISM (Instructional Course)

Our guides were all excellent, I can't speak highly enough of them. They were all good company and superb climbers, and patient with us all.Matterhorn Ascent

Donald Connolly
Matterhorn Ascent - A Classic Alpine Dream!

All Reviews

Team Spotlight

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Rose Gare-Simmons

ISM Marketing

Rose is a Summer Mountain Leader, healthcare professional, and passionate advocate for the healing power of the outdoors. Her work is rooted in the simple belief that time in the mountains can change how we feel, how…

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Knowledge Base

Is Your Avalanche Transceiver Working Properly?

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