Cornwall forms the westernmost part of the South West Peninsula of the island of Great Britain, the very tip of which is Land's End, the furthermost western point of the island of Great Britain; the southernmost point is also in Cornwall at Lizard Point.
Cornwall forms the westernmost part of the South West Peninsula of the island of Great Britain. Great Britain is the very tip of which is Land's End. Land's End is the furthermost western point of the island of Great Britain. The southernmost point is also in Cornwall at Lizard Point.