The ambitious quest to find Excalibur: Divers are searching British lakes on a mission to locate the 'magical sword' thrown into the water by King Arthur

  • Legendary sword is said to be thrown into waters by the king in the 6th century
  • READ MORE: Experts start to excavate King Arthur's stone in Herefordshire

The mythical sword of Excalibur must be one of the most famous objects in history. 

Owned by King Arthur, the legendary British leader of the 5th and 6th centuries, it was endowed with 'magical' powers that made him such a formidable warrior.

As the legend goes, it was thrown into a lake by King Arthur as he lay dying, following his final battle somewhere in Britain.

Now, experts are on an ambitious quest to locate the object in British waters – and they're not being deterred by the possibility it doesn't even exist. 

They say they have identified several possible locations for Excalibur and are trying to find it for part of a new TV series called 'Weird Britain'. 

The mythical sword of Excalibur must be one of the most famous objects in history (artist's impression). As the legend goes, it was thrown into a lake by King Arthur as he lay dying. Excalibur is also the name given to the sword in the stone drawn by Arthur as proof of his birthright and royalty, although but many sources insist that they were two different swords

The mythical sword of Excalibur must be one of the most famous objects in history (artist's impression). As the legend goes, it was thrown into a lake by King Arthur as he lay dying. Excalibur is also the name given to the sword in the stone drawn by Arthur as proof of his birthright and royalty, although but many sources insist that they were two different swords

The legend of King Arthur and Excalibur

Thought to have lived during the late fifth and early sixth centuries, King Arthur is believed to have led the fight against the invading Saxons.

Tintagel, the castle in which the king is said to have been born, still exists in ruined form in Cornwall, although others claim he was Welsh.

Either way, sources suggest Arthur was a great king who defended Britain from enemies, earthly and supernatural.

According to legend, he owned a 'magical' sword, Excalibur, gifted to him by the Lady of the Lake.

This is believed to be a separate sward to the one he drew from stone as proof of his birthright and royalty. 

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A team of filmmakers, magnet fishers, tech experts, archaeologists and divers are part of the new quest to find Excalibur.

The first part of the project started in an undisclosed location in Cornwall last year, but more British waterways are set to be searched. 

'We've not been beaten yet and nobody has the amount of equipment we have,' said Nigel Lamford, head of Northants Magnet Fishing, which is part of the project. 

'If it's in there and it's magnetic, it's coming out.'

The experts believe there are several possible locations where Excalibur could be in Britain. 

In Cornwall, it could be in Dozmary Pool, out on the edge of Bodmin Moor, or up near Alderley Edge in Cheshire. 

The team hopes the project will either cement the sword's mythical status further – or unearth some big surprises. 

'There is much debate about the location of the lake referred to in Arthurian lore,' said Tim Whittard, producer on Weird Britain. 

'Identifying the lake in question is a riddle which has had historians and researchers arguing for centuries, that is if the lake even still exists – or if the legend is even true in the first place.'

For the search, experts are using underwater drones and remotely operated vehicles (ROVs) – unmanned machines that are controlled by staff from afar.

According to legend, the sword was located at a magical lake where the Lady of the Lake, a character of Arthurian legend, gave it to Arthur. Later, when the king lay mortally wounded after his last battle, he ordered the faithful Sir Bedivere to go to the water and throw the sword into it. An arm rose to catch it, brandished Excalibur three times, and then disappeared

According to legend, the sword was located at a magical lake where the Lady of the Lake, a character of Arthurian legend, gave it to Arthur. Later, when the king lay mortally wounded after his last battle, he ordered the faithful Sir Bedivere to go to the water and throw the sword into it. An arm rose to catch it, brandished Excalibur three times, and then disappeared

A team of filmmakers, magnet fishers, tech experts and divers have embarked on an outrageous quest to find the magical sword called Excalibur

A team of filmmakers, magnet fishers, tech experts and divers have embarked on an outrageous quest to find the magical sword called Excalibur

Experts have identified several possible locations for Excalibur in Britain and are trying to find it for part of a new TV series called 'Weird Britain'

Experts have identified several possible locations for Excalibur in Britain and are trying to find it for part of a new TV series called 'Weird Britain'

King Arthur was a mythical king in the mythology of Great Britain. He lived in the medieval times, in his famous castle, Camelot. He possessed a sword known as Excalibur, given to him by the Lady of the Lake. Pictured: King Arthur by Charles Ernest Butler (1903)

King Arthur was a mythical king in the mythology of Great Britain. He lived in the medieval times, in his famous castle, Camelot. He possessed a sword known as Excalibur, given to him by the Lady of the Lake. Pictured: King Arthur by Charles Ernest Butler (1903)

READ MORE: Experts start to excavate King Arthur's stone

The tomb in Herefordshire is where the king is said to have defeated a giant

The tomb in Herefordshire is where the king is said to have defeated a giant 

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ROVs are either tethered or untethered to a bigger surface vessel and operated using a joystick, almost like the controller of a gaming console.

'This is the first time we have had the opportunity to use underwater drones or submersible ROVs alongside professional magnet fishers in an expedition of this type,' said Mr Whittard. 

'I think it's a really innovative and fun application of the drone technology which will make for great TV.'

As the legend goes, the sword originated at a magical lake where the Lady of the Lake, a character of Arthurian legend, gave it to the king.

Later, when the king lay mortally wounded after his last battle, he ordered the faithful Sir Bedivere to go to the water and throw the sword into it. 

An arm rose to catch it, brandished Excalibur three times, and then disappeared. 

This allegedly occurred at the mythical island of Avalon, which has connections with modern day Glastonbury in Somerset. 

Arthur was taken to Avalon to recover following his final battle, the Battle of Camlann, which was possibly in Cornwall, near Hadrian's Wall in northern England, or even in Wales. 

A Welsh document likely from the mid 10th century, called Annales Cambriae,  records the date of Arthur's death at Camlann in AD537-9. 

Excalibur (meaning to 'cut steel') was the great sword of King Arthur which 'gave light like 30 torches'. Pictured, Excalibur the sword by Howard Pyle (1903)

Excalibur (meaning to 'cut steel') was the great sword of King Arthur which 'gave light like 30 torches'. Pictured, Excalibur the sword by Howard Pyle (1903)

Underwater camera operators, drone experts and amphibious archaeologists have joined the hunt for the mythical sword

Underwater camera operators, drone experts and amphibious archaeologists have joined the hunt for the mythical sword

For the search, experts are using underwater drones and remotely operated vehicles (ROVs) - unmanned machines that are controlled by staff from afar

For the search, experts are using underwater drones and remotely operated vehicles (ROVs) - unmanned machines that are controlled by staff from afar

They say they have identified several possible locations of Excalibur in Britain and trying to find it for part of a new TV series called ¿Weird Britain¿

They say they have identified several possible locations of Excalibur in Britain and trying to find it for part of a new TV series called 'Weird Britain'

Excalibur is also the name given to the sword in the stone drawn by Arthur as proof of his birthright and royalty – the story that inspired the 1963 Disney cartoon film – but many sources insist that they were two different swords. 

'There are several versions of the legend, which muddies the waters so to speak, but the legend persists after many many centuries so there could well be a kernel of truth to it,' Mr Lamford told MailOnline. 

'So right now, we are looking for a sword or anything that could have been part of a sword, and if anything like that is found, then it's over to the historians and archaeologists and lab scientists to identify what exactly we have found.' 

'Weird Britain' premiered on Wednesday on Blaze (Freeview 64) with episode one – The Search for the Loch Ness Monster.

WHAT DO WE KNOW ABOUT THE LEGEND OF KING ARTHUR?

The story of King Arthur is known to children and adults alike. 

But the facts around the legendary figure are mired in myth and folklore and historians generally agree that Arthur himself probably did not exist.

Instead, it is believed he may have been a composite of multiple people. 

Whilst there are many version of the Arthur legend, some common threads run through them. 

They stem from 12th Century figure Geoffrey of Monmouth's fanciful and largely fictional work Historia Regum Britanniae (History of the Kings of Britain). 

In 410 AD, the Romans pulled their troops out of Britain and, with the loss of their authority, local chieftans and kings competed for land. 

In 449 AD, King Vortigern invited the Angles and Saxons to settle in Kent in order to help him fight the Picts and the Scots.   

Guinevere leading a wounded Lancelot from The Rochefoucauld Grail. The illuminated 14th century manuscript containing what is believed to be the oldest surviving account of the legends of King Arthur

Guinevere leading a wounded Lancelot from The Rochefoucauld Grail. The illuminated 14th century manuscript containing what is believed to be the oldest surviving account of the legends of King Arthur

However, the Angles and Saxons betrayed Vortigern at a peace council where they drew their knives and killed 460 British chiefs. 

The massacre was called the Night of the Long Knives, which, according to Geoffrey of Monmouth, occurred at a monastery on the Salisbury Plain.

Geoffrey claims that Ambrosius Aurelianus became King and consulted the wizard Merlin to help him select an appropriate monument to raise in honour of the dead chieftains.

Merlin suggested that the King's Ring from Mount Killarus in Ireland be dismantled and brought to England. 

The king's brother and Arthur's father, Uther Pendragon, led an expedition of soldiers to bring the stones from Ireland to England. 

Merlin magically reconstructed the stones as Stonehenge on the Salisbury Plain around the burials of the dead British chieftains in the monastery cemetery. 

Other legends say Arthur was born at Tintagel Castle in Cornwall and was taken by Merlin to be raised by Sir Ector.

Shortly thereafter, civil war broke out in England and Uther Pendragon was killed.

When Arthur was a young boy, the popular narrative says he drew a sword called Caliburn from a stone. 

Some legends say Arthur was born at Tintagel Castle in Cornwall and was taken by Merlin to be raised by Sir Ector.

Some legends say Arthur was born at Tintagel Castle in Cornwall and was taken by Merlin to be raised by Sir Ector.

One version of the legend states that the sword was made at Avalon from a sarsen stone that originated either from Avebury or Stonehenge.

It was said that whoever drew the sword from the stone was the true King of England. 

Arthur was then said to have been crowned as King in the ruins of the Roman fort at Caerleon in Wales.

In another version of the story, King Ambrosius Aurelianus led a battle against the Saxons at Badon Hill. 

Aurelianus was killed and his nephew, Arthur, took control of the soldiers and won the battle. 

Later, Arthur lost Caliburn in a fight with Sir Pellinore but was saved by Merlin's magic. 

Arthur received a new sword (Excalibur) and a scabbard from Nimue, the Lady in the Lake at Avalon. 

The scabbard was magical and as long as Arthur wore it, he could not die.

Arthur had three half-sisters who are sometimes referred to as sorceresses. 

Arthur fell in love with Morgana, not knowing that she was his half-sister and they had a son named Mordred. 

When Arthur discovered the truth, he was horrified and ordered all male infants born at the same time as his son to be brought to Caerleon. 

The babies were put onto an unattended ship and set out to sea, which crashed on some rocks and sank. 

Film, 'King Arthur: Legend Of The Sword', (2017)Jude Law's sneering Vortigern

Film, 'King Arthur: Legend Of The Sword', (2017)Jude Law's sneering Vortigern

Mordred survived the sinking of the ship and was found by a man walking on the shore and taken home.

Arthur fell in love again with a woman named Guinevere who was the daughter of King Lodegrance of Camylarde.

They married and her dowry included a round table and many knights. Arthur established his court at Camelot

The round table became a symbol of equality amongst his knights, for no knight was seated in a position superior to another.

In addition, a mealtime rule at the table was that no one could eat until they told a story of daring.