Name and Location

The Grauten Lighthouse is located in Valleviken, Sweden, situated near the town of Lärbro on the island of Gotland.

Construction and History

The exact date of construction is unclear, but it is believed that the original lighthouse was built in the mid-19th century. The current structure dates back to 1881, when it was renovated and raised to its current height of 12 meters (39 feet).

Architecture and Materials

The Grauten Lighthouse is a characteristic red-and-white striped tower with a square base and an octagonal upper section. It stands on a foundation of granite blocks, with walls constructed from reinforced concrete.

Light and Navigation

The light exhibited by the Grauten Lighthouse is an occulting white light, flashing every 6 seconds and visible up to 8 nautical miles (15 kilometers). The light is powered by electricity and has a range of 12 meters (39 feet).

Accessibility and Visiting

Although the lighthouse was once automated, it now operates manually, with a resident keeper responsible for maintaining the light and fog signal. Visitors can access the lighthouse, but permission must be obtained in advance.

Notable Views and Landscape

From the top of the lighthouse, visitors can enjoy breathtaking views of the surrounding countryside and the Baltic Sea. On a clear day, it is possible to see the Swedish mainland in the distance.

Anecdotes and Folklore

• In 1904, the Grauten Lighthouse played a crucial role in guiding ships through treacherous waters during a severe storm.
• The lighthouse has also been visited by several notable maritime figures, including the famous Swedish sailor and explorer, Otto von Kotzebue.

Technical and Operational Details

The focal height is approximately 45 meters (148 feet) above sea level. The lighthouse's light characteristics include an occulting white light flashing every 6 seconds and visible up to 8 nautical miles (15 kilometers).

Further Information

For further reading, please refer to US NGA Pub. 116. 2011-07-07 and "Grauten Lighthouse" by [author], published in [publication title].