Penwith

Penwith, former district, Cornwall unitary authority, extreme southwestern England. It is a promontory, including the Land’s End peninsula at the westernmost tip of the island of Great Britain, bordered by the Atlantic Ocean to the north and the English Channel to the south. Penwith has contrasting landscapes. As in much of Cornwall, the physiography alternates between moorlands of igneous-based (granite) intrusives and sedimentary-based valleys, such as the Hayle Valley in the east. Assorted prehistoric remains,...