Thorne Island

Thorne Island is a rocky islet and part of the community of , , with an area of 2 acres, dominated by a coastal artillery fort built to defend the in the mid-19th century.
Wikipedia
Photo: Thorne17, CC BY-SA 4.0.
  • Type: Island
  • Description: small island in Wales dominated by a Palmerston Fort
  • Also known as: “Thorn Island” and “Thorn Island Fort”

Places of Interest

Highlights include Dale Fort and West Blockhouse Fort.

Castle
Photo: Julian Cremona, CC BY-SA 2.0.
is a mid-19th-century coastal artillery fort at Dale Head, a rocky promontory near , west of in . It is one of the centres run by Field Studies Council and offers residential and non-residential fieldwork for schools, colleges and universities, holiday accommodation and professional and leisure courses in natural history and arts.

Fort
Photo: Peter Barr, CC BY-SA 2.0.
is a mid-19th century coastal artillery fort at West Blockhouse Point, a rocky headland near , to the west of in Wales.

Chapel
Photo: Chris Andrews, CC BY-SA 2.0.
Sailors' Chapel, Seamen's Chapel or Fishermen's Chapel is a Grade I listed building in , . The chapel, which is dedicated to St Anthony, is located in the churchyard of St Mary's parish church.

Places in the Area

Nearby places include Herbrandston and Milford Haven.

Photo: Wikimedia, CC BY-SA 2.0.
is a small village on the southwest coast. It has a large beach with clean red 'Sandy Haven' sand, which leads up to a tidal creek. There is a carpark adjoining the beach.

Photo: WOSlinker, CC0.
is located near the River Cleddau, and with a population of around 15,000 is the largest town in Pembrokeshire. It is one of the UK's largest ports, and attracts many cruise ships.

Village
Photo: Jeremy Owen, CC BY-SA 2.0.
is a village, parish and community on the southern side of the entrance to the in , . The village school has closed, as has the village shop.but the building is in construction so it could reopen in the near future as of summer 2026 There is a bus link to .

Thorne Island

Latitude
51.6917° or 51° 41′ 30″ north
Longitude
-5.1178° or 5° 7′ 4″ west
Open location code
9C3PMVRJ+MV
Open­Street­Map ID
way 4001735
Open­Street­Map feature
natural=­coastline
Open­Street­Map feature
place=­island
Wiki­data ID
Q7796288
This page is based on OpenStreetMap, Wikidata, Wikimedia Commons, and Wikipedia.
We’d love your help improving our open data sources. Thank you for contributing.

Satellite Map

Discover Thorne Island from above in high-definition satellite imagery.
© Stadia Maps, Airbus DS, CNES, PlanetObserver, and Copernicus

In Other Languages

From French to Welsh—“Thorne Island” goes by many names.
  • French: “Thorne Island”
  • German: “Thorne Island”
  • Japanese: “ソーン島”
  • Norwegian Nynorsk: “Thorn Island”
  • Welsh: “Ynys Thorn”

Places with the Same Name

Discover other places named “Thorne Island”.

Localities in the Area

Explore places such as Rat Island and Welcome Pit.

Notable Places Nearby

Highlights include Lowry’s Island and Chapel Bay Fort.

Pembrokeshire: Must-Visit Destinations

Delve into St Davids, Milford Haven, Tenby, and Haverfordwest.

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