![OS Explorer Map Active (257) Crewe and Nantwich, Whitchurch and Tattenhall (OS Explorer Active Map)](http://monsterbookshop.co.uk/cdn/shop/files/9780319471296_543da154-a035-4db2-8fb6-1857c405b207.jpg?v=1714371523&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 now includes a digital version of the paper map, accessed through the OS smartphone app, OS Maps.