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Flat Holm Lighthouse

9VGJ+7G Penarth, UK

Name and Location

The Flat Holm Lighthouse is situated on Flat Holm Island in the Bristol Channel. The nearest town or port is Penarth/Cardiff, Vale of Glamorgan, Wales, United Kingdom. The address for the lighthouse is 9VGJ+7G Penarth, UK.

2. Construction and History

The Flat Holm Lighthouse was built in 1737 by Trinity House, the General Lighthouse Authority for England, Wales, the Channel Islands, and Gibraltar. Its purpose was to guide shipping through the central Bristol Channel, one of the busiest waterways in Britain during the 18th century.

3. Architecture and Materials

The tower is a cylindrical masonry structure painted white, standing at a height of 30 meters. The focal plane is located 50 meters above high water. The lantern and gallery are situated at the summit, with an internal spiral staircase.

4. Light and Navigation

The light characteristic is a group of three flashes every 10 seconds (Fl (3) 10s). The light colours and ranges vary by sector:

  • * Sector 1: red, 12 nautical miles
  • * Sector 2: white, 15 nautical miles
  • * Sector 3: red, 12 nautical miles
  • * Sector 4: white, 15 nautical miles

5. Accessibility and Visiting

The island is reachable by private or chartered boat only. Day-trip landings are possible, but the tower interior is not open to casual visitors. Visitors must make arrangements with Trinity House or a licensed tour operator.

6. Notable Views and Landscape

Flat Holm Island is known for its wildlife and historic buildings. The lighthouse itself is a landmark on aerial and maritime charts.

8. Technical and Operational Details

The lighthouse is automated and currently unmanned. It remains an active aid to navigation in the Bristol Channel.

9. Further Information

For more information, visit Trinity House's website or explore further reading references provided below:

Details

NameFlat Holm Lighthouse
CityPenarth / Cardiff, Vale of Glamorgan, Wales
CountryUnited Kingdom
Coordinates51.3756605, -3.118694
Websitehttps://www.trinityhouse.co.uk/lighthouses/lighthouse_list/flatholm.html
Year of construction1737
Historic significanceguiding shipping through the central Bristol Channel in the 18th century
ArchitectTrinity House
Construction material"masonry"
Focal height50
Tower height30
Access descriptionby private or chartered boat only; day-trip landings possible but the tower interior is not open to casual visitors
Accessiblefalse
Guided tourstrue
Nearby attractions["Barbecue Point and historic lifeboat station on Flat Holm","Cosmeston Lakes Country Park (on mainland, near Penarth)","Cardiff Bay Visitor Centre and Wales Millennium Centre"]
AIS Radarfalse
Light characteristic"Fl (3) 10s"
Light range{"sector1":{"colour":"red","range":12},"sector2":{"colour":"white","range":15},"sector3":{"colour":"red","range":12},"sector4":{"colour":"white","range":15}}
Automatedtrue