Carn Marth, Cornwall
Carn-Marth, a hill in the south-eastern vicinity of Redruth, in Cornwall. Its height is 757 feet. An excavation in the side of it, called Gwennap-pit, was the scene of Wesley's famous preaching to the miners, and it is still used by the Wesleyans for an anniversary celebration, generally attended by upwards of 20,000 persons.
Online maps of Carn Marth are available from a number of sites: