Devon has produced tin, copper and other metals throughout its history. Tin was found in the granite of Dartmoor, and copper in the areas around the moor. In the eighteenth century, Devon Great Consols mine (near [[Tavistock]]) was believed to be the largest copper mine in the world.
Devon has the highest coastline in southern England and [[Wales]] on
seaboard. The "hob-backed" hills of the Exmoor national park tumble down to
the coast on Devon's Bristol Channel coast, culminating at the awesome