Smeaton's Tower stood were becoming eroded. Each time a large wave hit, the lighthouse shook from side to side. Smeaton's Tower ceased operation in 1879 with the illumination of Douglass's Tower on an adjacent rock. In 1882 the upper part of Smeaton's Tower was dismantled and rebuilt as a memorial to Smeaton on a new base on Plymouth Hoe, replacing the triangular obelisk that had been built there by Trinity House as a navigation aid in the early 19th century. It was opened to the public by the Mayor of Plymouth on 24 September 1884. The foundation and stub of the old
Rivingen Lighthouse flash of light every 5 seconds. The light is white, red, or green depending on the direction. The lights can be seen for up to . The original 1886 tower has been inactive since 1925. The white, square tower was about tall with a sharply pyramidal dark maroon, metallic roof and a spire. The tower is attached to the front of a one and a half story keeper's house. The old tower and house are now a privately owned summer residence which is only accessible by boat. Rivingen Lighthouse Rivingen Lighthouse () is a coastal lighthouse in the municipality of