OS Explorer Map is the Ordnance Surveys most detailed map and is recommendedfor anyone enjoying outdoor activities such as walking horse riding and offroad cycl... » 

OS Explorer Map is the Ordnance Surveys most detailed map and is recommendedfor anyone enjoying outdoor activities such as walking horse riding and offroad cycling. The series provides complete GB coverage and can now be used inall weathers thanks to OS Explorer Map Active a tough versatile version ofthe OS Explorer Map. «