For several centuries was reference meridian “0″ as it was the westernmost of the known world. The meridian noticed Orchilla, for several centuries until he moved the reference to Greenwich Mean.
Lighthouse located on the Canary Island of El Hierro, on the tip of the Orchilla. Large proportions, is built in stone masonry; beside it is a giant tabaiba, possibly the largest in extension, no height, Canaries all. This euphorbia is very abundant in the landscape of Orchilla.