Godrevy Lighthouse | Trinity HouseGodrevy Lighthouse was built by Trinity House in 1859 marking a dangerous reef off St. Ives called the Stones; the light was moved to an adjacent steel structure in 2012The headland at Godrevy has a bedrock of slate; stretching north-westward into the Atlantic are the remains of a reef composed of harder rock, pyritic sandstone. Godrevy Island, actually two barely separated rock masses, is situated 3½ miles across St. https://www.trinityhouse.co.uk/lighthouses-and-lightvessels/godrevy-lighthouse