Grönskär Lighthouse

The Grönskär lighthouse was constructed in 1904 and has been an important aid to navigation in the Stockholm archipelago ever since.

Architecture

• The tower height of the Grönskär lighthouse is approximately 15 meters, while its focal height reaches 23 meters.
• The light source emits a green beam with a period of 10 seconds and a character of LFl, indicating a fixed red light on the upper portion of the tower and a flashing white light on the lower portion.

Light Characteristics

The Grönskär lighthouse emits a distinctive pattern of flashes, making it an easily recognizable aid to navigation for mariners.

The range of the light is reportedly sufficient to guide vessels safely through the archipelago.

Current Status

The Grönskär lighthouse remains an active aid to navigation, although it has been automated since its modernization in recent years.

It is no longer a manned station and is instead operated by a remote control system.

Location and Accessibility

The Grönskär lighthouse is located on the island of the same name in the Stockholm archipelago, east of Sandhamn.

The island itself is rocky and sparsely vegetated, with cloudberry being one of the few herb species found there.

The whole island is owned by the Swedish foundation "Skärgårdsstiftelsen", which also owns the lighthouse.

Heritage Status

The Grönskär lighthouse has been designated as a protected cultural heritage site in Sweden, recognizing its importance as an historic aid to navigation and its contribution to the country's maritime history.

Notable Historical Events

While no specific notable historical events are recorded for the Grönskär lighthouse, it is known that the island itself has been inhabited since prehistoric times.

The archipelago as a whole has played an important role in Sweden's maritime and economic development throughout its history.