With its exceptional level of detail & clarity, the Explorer series of OS Maps is a favourite of walkers, climbers, mountain bikers, outdoor professionals & anyone else who needs to know exactly where they are! The 1:25, 000 scale allows plenty of detail, & the squares of the National Grid allow every bit of Great Britain to be given its own unique reference number. Masses of features are displayed, including areas of interest, picnic spots, campsites & National Trails, along with National Park & Rights of Way information for England & Wales.