John Muir "Father of the National Parks"
On John Muir's 180th birthday, Cat Webster revisits his roots in the UK and how his passion developed for protecting and exploring wild places.
Never explore without one
Stay safe, and stay active with Britain’s most accurate outdoor maps
Be inspired to do more and go further by equipping yourself with the best tools for the job. Our maps are built on 220 years of experience - we keep walkers, runners, cyclists and more safe in the great outdoors all year round.
Available from local outdoors retailers, bookshops and the OS online shop.