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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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Monte Rosa Mountaineering 4000m Peaks Traverse 2

Monte Rosa 4000ers

Level 2: Guided Courses

Jun - Sep 2026
3:1 Ratio
£1,995
Alpine Rock Climbing Alps 1

Alpine Rock

Level 3: Guided Courses

Jul - Aug 2026
2:1 Ratio
£2395
Technical Alpine Climbing Alps 1

Technical Alpine Ascents

Level 3: Guided Courses

Jun - Aug 2026
2:1 Ratio
£2495

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

Thanks for a fantastic week. It was really one of the best things I have ever done. I learned a lot during the week, not only about climbing technique, but also about attitude.

Lachlan MacGregor

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.

Michael Firth
Classic AlpinISM (Instructional Course)

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.

EP
Summits & Skills 4000m (Instructional Course)

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Team Spotlight

Mark Profile

Mark Charlton

IFMGA British Mountain Guide

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Knowledge Base

Is Your Avalanche Transceiver Working Properly?

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