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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
Call
Custom Courses 1

Custom Courses 2027

Private Guiding & Custom Weeks

Call
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

Thanks for organising an excellent week. The course format & accommodation was perfect. The guide was outstanding & gave us a full week of constructive tuition. I was able to put this training into practice the following week when I met up with a friend.Classic AlpinISM 2026

R W
Classic AlpinISM (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)

The Classic Alpinism course last week was excellent! The itinerary was really well planned taking into account the less than perfect weather and the abilities and aspirations of the group - we all learned loads.Classic AlpinISM 2026

Chris Ward
Classic AlpinISM (Instructional Course)

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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