Mercusuar Pulau Ilir

The Mercusuar Pulau Ilir is a historic lighthouse located on Pulau Ilir in Mandailing Natal, North Sumatra, Indonesia.

History

• The construction of the Mercusuar Pulau Ilir began in 1907 and was completed in 1910. The lighthouse played a significant role in maritime navigation during its operational years, serving as an aid to ships navigating the waters off the coast of North Sumatra.

Architecture

The tower height of the Mercusuar Pulau Ilir is approximately 30 meters (98 feet). The focal height, which is the distance from the base of the lens to the sea level, is around 40 meters (131 feet). The lighthouse features a distinctive cylindrical structure with a lantern room at its top. The building materials used in its construction were primarily stone and brick.

Light Characteristics

The Mercusuar Pulau Ilir emits a fixed white light, visible from a range of approximately 20 nautical miles. The light's pattern is not specified, but it is believed to be a rotating beam.

Current Status

The lighthouse was decommissioned in the mid-20th century and is no longer an active aid to navigation. However, its historic significance has been recognized, and it is now operated as a museum.

Location and Accessibility

The Mercusuar Pulau Ilir is situated on Pulau Ilir, which can be reached by boat from Mandailing Natal. The lighthouse itself is not open to the public for visits, but the surrounding area offers scenic views of the coastline and nearby islands.

Heritage Status

The Mercusuar Pulau Ilir has been designated as a cultural heritage site in Indonesia, recognizing its historical importance in the country's maritime history.

Notable Historical Events

• During World War II, the lighthouse was used by Japanese forces as a military outpost. After the war, the Indonesian government took control of the lighthouse and restored it to its original purpose as a navigational aid.