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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
Monte Rosa Mountaineering 4000m Peaks Traverse 2

Monte Rosa 4000ers

Level 2: Guided Courses

Jun 2026 - Sep 2027
3:1 Ratio
£2,045
Private Guiding 1

Private Guiding 2027

Private Guiding & Custom Weeks

Call
Student Alpine Mountaineering Alps 1

Student Alpine Week (Instructional Course)

Level 1: Instructional Courses

Jul 2026 - Aug 2027
6:1 Ratio
£1395
Alpine Rock Climbing Alps 1

Classic Alpine Rock Climbs

Level 3: Guided Courses

Jul 2026 - Sep 2027
2:1 Ratio
£2195
Technical Alpine Climbing Alps 1

Technical Alpine Ascents - Just Go Climbing!

Level 3: Guided Courses

Jun 2026 - Aug 2027
2:1 Ratio
£2395
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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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Alpine rock climbing Matterhorn Maxc

Matterhorn Climber

Level 2: Guided Courses

Jul - Aug 2027
2:1 Ratio
£2195
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

Brilliant!! I was a walker at the start of the week. By the end had been on glaciers and climbed a 4000m peak!! It was a wonderful, wonderful, experience which i will never forget. It was excellent value for money and I hope to be joining you for years to come.Summits & Skills 4000m 2026

Ian Twizell
Summits & Skills 4000m (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)

I really enjoyed the course and every part of it was better than expected. I’m definitely looking to move on to a level 2 course at some point with you guys. Thanks againSummits and Skills 4000m 2026

Thomas
Summits & Skills 4000m (Instructional Course)

All Reviews

Team Spotlight

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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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