Doctor Hannah Lock


I am a General Practice Registrar and Expedition Doctor specialising in trekking and mountaineering at high altitude. I live and work on the edge of Snowdonia National Park, North Wales. 

Photo Credit: Adam Mane

My mountain medicine blog

Insightful and informative content designed to be accessible to mountain professionals, mountain medics and all mountain adventurers.

This blog will have regular updates with everything from preparing for an expedition to managing casualties with acute mountain sickness.

Click here for my blog.

What my clients say

Here are some people that I've had the pleasure of working with.

“Hannah was a brilliant doctor who was always there to help with any problem we had no matter how big or small the issue was, very easy to communicate with and helped massively with helping us all summit.”
Hassan Mansur
Kilimanjaro, 2018
“Enthusiasm and applied knowledge in abundance and what a sense of humour, just tremendous.”
Norman Davies
Stok Kangri, 2019
“Worked like an absolute Trojan! Was always on hand to help and encourage you every step of the expedition. Put other people’s care before herself and always had a smile.”
Katherine Robinson
Kilimanjaro, 2018 ​

My gallery

Here are some of my favourite shots from my travels around the world.