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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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Intro Summer Mountaineering Alps 1

Summits & Skills 4000m (Instructional Course)

Level 1: Instructional Courses

May 2026 - Sep 2027
4:1 Ratio
£1,945
Level 2 Summer Mountaineering Alps 1

Classic AlpinISM (Instructional Course)

Level 2: Instructional Courses

Jun 2026 - Sep 2027
3:1 Ratio
£1,995
Student Alpine Mountaineering Alps 1

Student Alpine Week (Instructional Course)

Level 1: Instructional Courses

Jul 2026 - Aug 2027
6:1 Ratio
£1395
Crag to A Lpine 6

From Crag to Alpine - Chamonix Rock Week

Level 2: Instructional Courses

Jun - Sep 2027
3:1 Ratio
£1995

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

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)

My son and I had a really great week, we have gained so many skills, as well as increasing our understanding of what it takes to begin alpine mountaineering safely.The venues used by Adrian were perfect & the Hotel PlanB & mountain hust were both greatSummits and Skills 4000m Summer 2026

Gary
Summits & Skills 4000m (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

IMG 3509

Adrian Nelhams

ISM Director and IFMGA British Mountain Guide

As Guide & then Director of ISM for 30 years, Adrian has shaped the school's philosophy & approach to mountaineering education. His passion for climbing, exploration & inspiring others drives ISM forward. For Adrian, mountains remain a…

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Knowledge Base

Is Your Avalanche Transceiver Working Properly?

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