Surrey Three Peaks Map, OS Explorer Map 146 Dorking for Box Hill, Leith Hill, Holmbury Hill Active (waterproof) version:Yes The Silva Classic Compass has

The Silva Classic Compass has base plate map-measuring in mm and scales of 1:50

Patented red/black orienting lines inside the compass housing

Built-in magnifier

Pen yr Ole Wen

Durable hot-stamping of scales/graduations

Surrey Three Peaks Map, OS Explorer Map 146 Dorking for Box Hill, Leith Hill, Holmbury Hill Active (waterproof) version:Yes The Silva Classic Compass hasThe OS Explorer 146 map includes a large area of the Surrey Hills, including Box Hill, Leith Hill and Holmbury Hill. Trails and paths include the Greensand Way, Mole Gap Trail, North Downs Way, and the Thames Down Link. The OS 146 includes all of the Surrey Three Peaks Challenge route.