![OS Explorer ACTIVE OL1 Arundel & Pulborough (OS Explorer Map Active)](http://monsterbookshop.co.uk/cdn/shop/files/9780319469286_5b29856e-ba3d-4f4b-93aa-5da944f189f5.jpg?v=1720105010&width=1445)
OS Explorer is the Ordnance Survey's most detailed map and is recommended for anyone enjoying outdoor activities such as walking, horse riding and off-road cycling. The series provides complete GB coverage and can now be used in all weathers thanks to OS Explorer - Active, a tough, versatile version of OS Explorer. The OS Explorer Active range of OL maps now includes a digital version of the paper map, accessed through the OS smartphone app, OS Maps.