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International School of Mountaineering

Mark Charlton

IFMGA British Mountain Guide

Mark Charlton

Testimonials For ISM

Fantastic trip, both ISM Guides were amazing! Wholeheartedly loved the trip, already looking at doing another one!Summits & Skills 4000m 2026

Edward
Summits & Skills 4000m (Instructional Course)

Our guide for the week was exceptional; a true professional, a huge inspiration and just great company. He shared so many useful tips with us and had great stories to share too. Looking forward to booking another course with ISM!Summits & Skills 4000m 2026

William
Summits & Skills 4000m (Instructional Course)

Perfectly paced and tailored, great variety of skills learned. Guiding and Instruction? Our ISM Guide was fab! Everything was pitched at the right level (no pun intended), safety was always paramount and everyone had so much fun learning everything.Summits & Skills 4000m

Clare
Summits & Skills 4000m (Instructional Course)

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