Where was The Winter King filmed? Caer Cadarn and all the locations

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Based on Bernard Cornwell's epic Warlord Chronicles book series, The Winter King was filmed in Wales and the southwest of England.

The story revolves around the Arthurian legends, offering a reimagined and vivid portrayal of the mythical figure of King Arthur before he gathered the Knights of the Round Table.

Iain De Caestecker as Arthur

Iain De Caestecker (The Control Room, Agents of S.H.I.E.L.D.) stars as Arthur Pendragon, the bastard son of King Uther (Eddie Marsan).

Rounding out the main cast are Stuart Campbell as Derfel Cadarn, Ellie James as pagan priestess Nimue, and Nathaniel Martello-White as Merlin.

Welcome to Dumnonia and our spoiler-free guide to all the filming locations of The Winter King. We have listed the locations in chronological order.

The Caer Cadarn location

Caer Cadarn
The Caer Cadarn fortress in Dumnonia was created by combining images from the Morlais quarry in Wales with CGI images.

This is one of the four limestone quarries located north of Merthyr Tydfil in the County Borough.
(You can open all the locations on Google Maps by clicking on the links below in the captions ↴)
  Image courtesy of ITVX and Dr Mary Gillham Archive Project - Map

Caer Cadarn The Winter King
However, the interior of the stronghold carved out of the rock was a set built in a warehouse on Cribbs Causeway in Bristol, using an area extending across the car park.

The set provided ample space for extended transition shots, capturing moments of the characters strolling through the corridors.
Image courtesy of ITVX - Map

Avalon The Winter King
As the Bristol Film Office revealed, the set of Avalon was a large set built on the grounds of the Blaise Castle Estate in Henbury, Bristol.

The medieval village featured the prominent Merlin's Tower, showcasing genuine period dwellings crafted authentically from wood, wattle, and daub.
Image courtesy of ITVX - Map

The Winter King beach
Arthur has a shower under the St Audries Bay Waterfall, near Taunton, on a beach only accessible at low tide.

WalesOnline reported that some scenes were filmed at Ogmore Beach on the Glamorgan Heritage Coast.

This scenic coastal area of Wales is renowned for its expansive sands, rugged beauty, and the picturesque Ogmore River meeting the sea.
Image courtesy of ITVX - Map

The Winter King location
In the second episode, there is a sequence filmed in the Forest of Dean in Gloucestershire.

This enchanting forest stands as a picturesque woodland area, celebrated for its lush greenery, ancient oak trees, and diverse wildlife.

Many productions have been filmed here including The Force Awakens, King Arthur: Legend of the Sword, and The Huntsman Winter's War.
Image courtesy of ITVX - Map

Trefil Quarry in Wales
Another scene was filmed at the Trefil Quarry in Wales, a site known for its striking geological formations and rock exposures.

This former quarry area was also featured in an episode of The Witcher series.
Image courtesy of ITVX - Map

Nodens Vale
Numerous outdoor scenes were captured amidst the breathtaking scenery of the Brecon Beacons National Park, located just 40 miles north of Cardiff.

This majestic mountain range and national park in Wales is acclaimed for its sweeping landscapes, rolling hills, and captivating natural beauty.
Image courtesy of ITVX - Map

Pontsticill Reservoir
The Pontsticill Reservoir, a picturesque freshwater lake located in the Brecon Beacons National Park in Wales, is also featured in The Winter King.
Image courtesy of ITVX - Map

Isle of the Dead
The Isle of the Dead in southern Dumnonia is actually the Worm's Head in Rhossili Bay on the Gower Peninsula in Wales.

Accessible during low tide via a rocky causeway, this natural formation resembles a giant serpent or dragon, hence its name.
Image courtesy of ITVX - Map

Can you help to improve this article about the filming locations of The Winter King? To complete and correct this report, any feedback, info, or images that you may have are more than welcome, thank you!

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1- Anonymous - Jan 23, 2024, 11:20 AM
Gaul beach scene, in episode 1, with Arthur showering under a waterfall, was filmed at St Audries Bay, Somerset.

   2- Ra Moon - Jan 24, 2024, 12:50 PM
   Thank you, updated!


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