Name and Location

The Farfarsgrund Lighthouse is located on the island of Sandhamn in Stockholm County, Sweden, at coordinates 59°17'23“N, 18°53'20“E.

Construction and History

The exact construction date of the Farfarsgrund Lighthouse is unknown, but it likely dates back to the early 20th century when maritime trade and commerce were growing rapidly in the region. The lighthouse serves as a minor aid to navigation, providing critical visual guidance to mariners in the surrounding waters.

Light and Navigation

The Farfarsgrund Lighthouse exhibits three distinct light characteristics: an Iso Green Light emitted every 4 seconds with a range of 3 nautical miles, directed towards sector start (67°) to sector end (122°); an Iso White Light also emitted every 4 seconds, with a range of 6 nautical miles and illuminating the sector between 122° and 207°; and an Iso Red Light emitted every 4 seconds with a range of 4 nautical miles, covering the sector from 207° to 336°.

Accessibility and Visiting

Due to its remote location on an island, the Farfarsgrund Lighthouse is not open to the general public for visitation. However, enthusiasts can still appreciate the lighthouse's significance through online resources and maps.

Technical and Operational Details

The lighthouse stands at an approximate height of 5 meters above sea level and has a focal height of 16 meters.

Further Information

• * Swedish Maritime Administration (SMA) - Official Publication 116 (2011-07-07)
• * US National Geospatial-Intelligence Agency (NGA) - Public Domain Information