OS Select OS Select maps can be personalised and centred on any site you choose. OS Explorer maps Ordnance Survey's most detailed map, ideal for all sorts of outdoor activities 1:25 000 scale OS Landranger maps All-purpose maps, packed full of information to help you really get to know an area 1:50 000 scale OS Irish maps Maps of Ireland and Northern Ireland available at a variety of scales OS Travel - Route The Great Britain Route 2005 map covers the whole country on one map OS Travel maps - Road Regional Road maps that also include tourist information and places of interest 1:250 000 scale OS Travel maps - Tour Based on counties or popular tourist areas, ideal for planning routes