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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 - Sep 2026
4:1 Ratio
£1,895
Level 2 Summer Mountaineering Alps 1

Classic AlpinISM (Instructional Course)

Level 2: Instructional Courses

Jun - Aug 2026
3:1 Ratio
£1,995
Monte Rosa Mountaineering 4000m Peaks Traverse 2

Monte Rosa 4000ers

Level 2: Guided Courses

Jun - Sep 2026
3:1 Ratio
£1,995
Private Guiding 1

Private Guiding

Private Guiding & Custom Weeks

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Student Alpine Mountaineering Alps 1

Student Alpine Week (Instructional Course)

Level 1: Instructional Courses

Jul - Aug 2026
6:1 Ratio
£1395
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
Climbing Matterhorn Alps 1

Matterhorn Ascent

Level 3: Private Guiding & Custom Weeks

1:1 Ratio
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Custom Courses 1

Custom Courses

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

​Hi Eira! It is Maite from Spain again! Just a message to tell you that I spent a wonderful week and that both guides (Paolo and Christian) were superb.

Maite Iriarte

Terry was a wonderful guide and made everything fun, laid-back and an overall good experience. I would be happy to ski or climb with him again. All the logistics in Leysin and in Italy went smoothly. A really nice time.

KL

The course was excellent, lots of variety and provided me with a good range of skills. Loved reaching the summit of the Weissmeis, 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 to Pat.

Jo Clark
Summits & Skills 4000m (Instructional Course)

All Reviews

Team Spotlight

Carlo Cosi

Carlo Cosi

IFMGA Italian Mountain Guide

Carlo Cosi was born in Padua, northern Italy, and has been a Guide since he was 23. He is a National Climbing Instructor and has a degree in Physical Education.

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Knowledge Base

Is Your Avalanche Transceiver Working Properly?

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