The Cilmeri Memorial in mid-Wales marks one of the most important and tragic moments in Welsh history. It commemorates the death of Llywelyn ap Gruffudd, the last native Prince of Wales, who was killed on 11 December 1282 during the conflict between Wales and the forces of King Edward I of England.
Llywelyn’s death near the River Irfon, close to the village of Cilmeri near Builth Wells in Powys, effectively ended Welsh independence and marked the final stage of the English conquest of Wales.
Today, a granite monument known as the Cilmeri Stone stands on the site where the Welsh prince fell. Each year on the anniversary of his death, people gather at the memorial to remember Llywelyn, often referred to as “Llywelyn Ein Llyw Olaf” – “Llywelyn, Our Last Leader.”

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The memorial at Cilmeri is a striking granite monument erected in 1956 to honour Llywelyn ap Gruffudd.
The granite used for the stone was brought from Trefor Quarry in Caernarfonshire, close to Llywelyn’s homeland in north Wales. The monument replaced an earlier memorial erected in 1902 by Squire Blyth, elements of which were incorporated into the steps at the site.
The tall stone monument stands on a grassy mound surrounded by thirteen oak trees, symbolising the historic thirteen counties of Wales.
At first glance, the stone resembles an ancient standing stone from prehistoric times, but it is in fact a modern monument dedicated to one of the most significant figures in Welsh history.
Since its construction, the Cilmeri memorial has become the focal point of an annual remembrance ceremony held every 11 December, marking the anniversary of Llywelyn’s death.
It is a most hallowed and sad place, for it was there, in a quiet meadow that the last Welsh-born Prince of Wales, Prince Llywelyn ap Gruffudd was killed in the battle of Irfon (or Orewin) Bridge. Llywelyn died in a minor skirmish with King Edward of England's soldiers, on 11th December 1282.

Llywelyn ap Gruffudd was killed during a conflict often associated with the Battle of Orewin Bridge, fought near the River Irfon in December 1282.
The circumstances surrounding his death remain uncertain. Historical accounts suggest that Llywelyn had become separated from the main Welsh army and was involved in a small skirmish with English soldiers. During the encounter, he was killed by an English knight who reportedly did not realise the identity of the man he had struck down.
Some accounts attribute the killing to a soldier named Stephen de Frankton, though the details remain debated by historians.
Another tradition claims that Llywelyn may have been betrayed by someone within his own ranks, but there is no definitive proof. What is clear is that his death was sudden and unexpected, and it marked the turning point in the final conquest of Wales by Edward I.
To understand the importance of Cilmeri, it is necessary to look at the wider political conflict between Wales and England during the late 13th century.
King Edward I of England sought to bring the whole of Britain under his control. Wales, however, had become increasingly unified under the leadership of Llywelyn ap Gruffudd, who had been recognised as Prince of Wales.
Edward’s growing power and ambition eventually led to war.
In 1277, after military pressure from Edward I, Llywelyn was forced to sign the Treaty of Aberconwy. The treaty imposed severe restrictions on Welsh territory and power.
Llywelyn was forced to surrender most of his lands, retaining only Gwynedd west of the River Conwy.
At the same time, Edward strengthened English control by constructing a network of powerful castles around Wales, including strongholds at:
These castles were heavily garrisoned and helped establish English authority throughout the region.
Despite the restrictions imposed by the treaty, Welsh resistance did not end.
In 1282, Llywelyn’s brother Dafydd ap Gruffudd began a revolt against English rule. Many Welsh leaders and communities joined the uprising, angered by the growing control of English officials and the erosion of traditional Welsh laws and customs.
Although Llywelyn had initially sought peace, he was soon drawn back into the conflict and once again became the leader of the Welsh resistance.
Early successes raised hopes among the Welsh, including attacks on English castles and the destruction of English forces in the Menai Strait near Anglesey.
However, Edward I responded with overwhelming military force, committing the full resources of his kingdom to suppress the rebellion.
Gerallt Lloyd Owen who died aged 69, was the foremost Welsh poet of his generation. He was a prize-winning bard who used the ancient metre of cynghanedd to project nature and nationalism.
Gerallt wrote this poem about Cilmeri and the death of Prince Llywelyn ein Llyw Olaf - it is full of emotion and sadness.
| Gerallt Lloyd Owen Cilmeri Poem Cymraeg |
English (A literal translation) |
|---|---|
| Fin nos fan hyn
Lladdwyd Llywelyn. Y nant a welaf fan hyn Fin nos, fan hyn Rwyf fi'n awr fan hyn Fan hyn yw ein cof ni, |
In the evening here The stream I see here In the evening, here I am here now Here is our memory, |
In December 1282, Llywelyn travelled south to meet allies near Builth Wells.
During these movements he became separated from his army. It was during this period that he encountered English forces near Cilmeri, where he was killed in a small skirmish.
Because he was travelling without clear heraldic identification, the English soldiers may not have realised they had killed the Prince of Wales until afterwards.
Once his identity was discovered, Llywelyn’s death became a powerful symbol of English victory.
His body was buried at the Cistercian Abbey of Abbeycwmhir, not far from the place where he died.
Following the battle, Llywelyn’s head was taken to Rhuddlan Castle, where it was presented to King Edward I.
It was then sent to London, where it was paraded through the streets before being displayed on the Tower of London as a warning to others who might rebel against the English crown.
Accounts state that the head was crowned with ivy in mockery of an old Welsh prophecy claiming that a Welsh ruler would one day be crowned king of Britain.
Ironically, this prophecy was later fulfilled when Henry Tudor, a Welshman, became King Henry VII of England in 1485.
Near the Cilmeri memorial site is a small well reached by a short path and set of steps.
According to local tradition, this is the place where Llywelyn’s head was washed after his death. Today the well is protected by a metal cover, but visitors can still lift the cover to see the water below.
A stone slab near the well bears the inscription:
“Legend has it that this is the well wherein the head of Llywelyn ap Gruffudd was washed.”
With the death of Llywelyn ap Gruffudd in 1282, Welsh resistance was effectively broken.
Although further resistance continued briefly under his brother Dafydd, the political independence of Wales came to an end. Wales was subsequently incorporated under the rule of the English crown.
For many in Wales, the death of Llywelyn symbolises the loss of an independent Welsh nation.
The Cilmeri memorial stands beside the A483 road between Builth Wells (Llanfair-ym-Muallt) and Llandovery (Llanymddyfri) in mid-Wales.
The monument is set in a quiet meadow near a small stream, close to the location where Llywelyn ap Gruffudd was killed in December 1282.
Although the setting is peaceful today, it remains one of the most historically significant sites in Wales.

Despite being a small village, Cilmeri holds deep symbolic meaning in Welsh history and identity.
Each year on 11 December, people gather at the memorial stone to remember Llywelyn ap Gruffudd and reflect on the events that shaped the history of Wales.
The monument stands as a reminder of the last native Prince of Wales and the end of an era in Welsh history.
Llywelyn ap Gruffudd (c.1223–1282) was the final native ruler to hold the title Prince of Wales before the country was fully conquered by England. He was the grandson of the powerful Welsh ruler Llywelyn the Great and became the dominant political leader in Wales during the mid-13th century.
Through diplomacy, alliances, and military strength, Llywelyn unified much of Wales under his authority. His power was formally recognised by the English crown in the Treaty of Montgomery, making him the only Welsh ruler to be officially acknowledged as Prince of Wales by England.
On 11 December 1282, Llywelyn ap Gruffudd was killed near the village of Cilmeri in Powys. The event took place during the conflict between Welsh forces and the army of Edward I of England.
The clash is usually linked with the Battle of Orewin Bridge, fought near the River Irfon. During the encounter, Llywelyn became separated from his army and was killed by English soldiers who may not have recognised him at the time.
His death marked a decisive turning point in the Edwardian conquest of Wales.
The Cilmeri Memorial stands beside the A483 road near the village of Cilmeri in Powys, mid-Wales.
It is located a short distance north of Builth Wells, close to the River Irfon and the site traditionally associated with Llywelyn’s death. Visitors can reach the monument via a short path from the roadside.
The peaceful rural setting contrasts sharply with the historic event that took place there in 1282.
The Battle of Orewin Bridge was fought in December 1282 during the final phase of the war between Wales and England.
Welsh forces were attempting to coordinate resistance against the armies of Edward I of England. During these movements, Llywelyn travelled south to meet allies near Builth.
English forces intercepted the Welsh near the River Irfon. During the fighting, Llywelyn was killed, ending organised Welsh leadership in the conflict.
The Cilmeri memorial represents the end of independent Welsh rule under a native prince.
With the death of Llywelyn ap Gruffudd, the political unity of Wales collapsed. His brother Dafydd ap Gruffudd continued resistance briefly, but he was captured and executed in 1283.
Following these events, Wales was brought under the direct authority of the English crown.
After his death near Cilmeri, Llywelyn’s body was taken to the nearby Abbeycwmhir Abbey, a Cistercian monastery in mid-Wales.
There he was buried among the monks of the abbey. The exact location of his grave within the ruins is uncertain today, but the abbey remains closely associated with the memory of the last Welsh prince.
Following the battle, Llywelyn’s head was sent to Rhuddlan Castle, where it was presented to Edward I of England.
It was then transported to Tower of London, where it was displayed on the city walls as a warning to anyone who might challenge English rule.
This was a common medieval practice intended to demonstrate the power of the crown and discourage rebellion.
Near the memorial stone at Cilmeri is a small spring known locally as the Well of Llywelyn.
According to local tradition, this is the place where the head of Llywelyn ap Gruffudd was washed after his death. A stone plaque near the well records the legend.
Although historians cannot confirm the story, the well has become part of the folklore surrounding the site.
Every year on 11 December, people gather at the Cilmeri memorial to remember the death of Llywelyn ap Gruffudd.
The ceremony often includes speeches, historical reflection, and the laying of wreaths at the memorial stone. The event has become an important moment of remembrance for those interested in Welsh history and identity.
Key events leading to the death of Llywelyn ap Gruffudd include:
1267 – The Treaty of Montgomery recognises Llywelyn as Prince of Wales
1277 – The Treaty of Aberconwy forces Llywelyn to surrender most of his lands
1282 – Welsh revolt against English rule begins
11 December 1282 – Llywelyn is killed near Cilmeri
1283 – Execution of Dafydd ap Gruffudd ends the last organised Welsh resistance
These events paved the way for the final incorporation of Wales into the English crown.