The essential map for outdoor activities in The Trossachs. The OS Explorer Map is the Ordnance Survey\'s most detailed folding map and is recommended for anyone enjoying outdoor activities including walking, horse riding and off-road cycling. This map now comes with a digital version which you can download to your smartphone or tablet.FeaturesLoch Lomond & The Trossachs National ParkWest Highland WayWest Highland Way (Long Distance Route)CentralCallander1:25 000 scale (4 cm to 1 km \' 2.5 inches to 1 mile)This map comes with a digital version which you can download to your smartphone or tablet.