UK Ordnance Survey - Topographic Maps
Ordnance Survey topographic maps of the UK. Landranger maps, Explorer maps, & Discoverer maps of the UK.
1:50 000 maps of Northern Ireland. You can find the rignt map by clicking on our
Ireland Discovery/Discoverer Map Index
Using the latest 1:25000 digital mapping, you can find the map you need by either searching for the map number, e.g., Explorer 101 in the search box or by clicking on our Explorer Map Index map.
The AA have also produced some Walker's Maps which are Explorer Maps centred on popular areas of interest, which start the listings below, followed by the OS Explorer maps by number.
1:50000 topographical maps covering all of Great Britain (pink covers). You can find the right map by clicking on our
Landranger Map Index