Derby Wharf Light

About

Derby Wharf Light Station is a historic lighthouse on Derby Wharf in Salem, Massachusetts that is within the Salem Maritime National Historic Site. It was built in 1871 and added to the National Register of Historic Places in 1987. The United States Coast Guard Light List description is "White square tower. Maintained by the U.S. Park Service". The actual light is 25 feet (7.6 m) above Mean High Water. Its red light is visible for 4 nautical miles (7.4 km, 4.6 mi).

Adapted from Wikipedia (CC BY-SA). Photography via Wikimedia Commons.