Cornwall Cornwall Cornwall (; ) is a county in South West England in the United Kingdom. The county is bordered to the north and west by the Celtic Sea, to the south by the English Channel, and to the east by the county of Devon, over the River Tamar which forms most of the border between them. Cornwall forms the westernmost part of the South West Peninsula of the island of Great Britain. The furthest southwestern point of the island is Land's End; the southernmost point is Lizard Point. Cornwall has a population of and covers an area of . The
Great Britain years ago. Until about 14,000 years ago, Great Britain was connected to Ireland, and as recently as 8,000 years ago it retained a land connection to the continent, with an area of mostly low marshland joining it to what are now Denmark and the Netherlands. In Cheddar Gorge, near Bristol, the remains of animal species native to mainland Europe such as antelopes, brown bears, and wild horses have been found alongside a human skeleton, 'Cheddar Man', dated to about 7150 BC. Thus, animals and humans must have moved between mainland Europe and Great Britain via a crossing. Great Britain became