Instant access to every OS leisure map That’s digital access to 607 OS maps covering the whole of Great Britain. Find routes all over Great Britain Discover thousands ready-made routes at your fingertips including routes by Good Pub Guide, Country Walking and Trail Magazine. Plot your own routes Explore the way you want by creating your own routes. Plan routes on the web, then follow along on your phone. Use on any device Seamlessly sync between your desktop, mobile and tablet. No signal? No problem! You can download your maps offline before you set off. Always have a backup Print as many copies of your custom routes as you need. Discover local landmarks Use the augmented reality viewer to pan across the landscape and discover the nearest forests, coastlines, hills, mountains and more. Visualise your routes in 3D Use Aerial 3D to fly-through a route and get a good understanding of the terrain, viewpoints, and points of interest. 3 years of OS Maps Premium access will start from purchase and is a one-time payment.