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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

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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

Level 3: Guided Courses

Jun 2026 - Aug 2027
2:1 Ratio
£2395
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

My very, very sincere thanks to the ISM Guides. They are truly quality people! Patient, understanding, professional, and wonderful ambassadors for your company. I have experienced many guides over my 50 years in climbing and they rank right up there with the very best.Mt Blanc Special

David Hughes

The course was excellent, lots of variety and provided me with a good range of skills. Loved reaching the summit of the 4000m peak for such a nervous and unconfident novice like me, I gained a real sense of achievement from the ascent and the whole week. Huge thanks.

Jo Clark
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

Tom Bw

Tommaso Dusi

IFMGA Italian Mountain Guide

Tommaso is a an experienced Italian mountain guide and regular year-round ISM team member. He loves the mountains and helping people to connect and find happiness in nature.

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Knowledge Base

Is Your Avalanche Transceiver Working Properly?

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UIAGM / IFMGA Guide Award Equipment Partner Retail Partner Retail Partner