Map sheet number OL20 in the OS Explorer map series is ideal for exploring the southern part of Dartmoor national park and the southern region of Devon. Hikers can follow several national trails such as the Avon Estuary Walk and the Plymouth Cross-Country Link.
Highlights: Dartmoor, Salcombe, The River Avon, Brixham, and Newton Ferrers
Scale: 1:25000 – 4cm to 1km / 2.5 inches to 1 mile
Manufacturer: Ordnance Survey
Type: Active (Laminated)