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Ordnance Survey maps Maps published by Ordnance Survey and related bodies, including the War Office (ca. 1840s-1960s). The maps are ordered below by country, from larger scales (most detailed …

Discover Ordnance Survey's trusted geospatial data and maps, and unlock location insight and intelligence.

During the 2000s, in an attempt to increase schoolchildren's awareness of maps, the Ordnance Survey offered a free OS Explorer Map to every 11-year-old in UK primary education.

Explore the outdoors the way you want, all while staying safe with OS Maps. Whether you want to hike, bike or run, OS Maps will guide you through amazing trails across the USA.

OS maps always had amazing accuracy and detail - now you can use gps on your phone to see exactly where you are among all that detail. Great for planning free form hikes to get you off the beaten path.

Discover millions of routes to walk, run & cycle; or plot your own with Ordnance Survey mapping and route planner tools on web and app. Try it for free.