Looking to uncover the secrets of Snowdon and the Snowdonia National Park? Then the Explorer OL 17 from Ordnance Survey is the map for you. This detailed map covers this famous and popular area which sees many people set their sights on the highest mountain in Wales - Snowdon. The map shows size well mapped routes to the summit and is part of the brand\'s Active range which allows you to use the map even in bad weather.FeaturesDetailed and informative explorer map of Snowdon from Ordnance SurveyCovers the Snowdonia National Park and route up to Snowdon\'s summitScale: 1:25000Now includes Mobile DownloadActive weatherproof versionRecommended activity - walking / hiking / cycling / navigation / expedition