Llys Rhosyr: The Medieval Royal Court of the Princes of Gwynedd

Explore Llys Rhosyr, the only visible medieval Welsh princely court, where history, archaeology, and royal legacy converge on Anglesey’s scenic landscape.

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Llys Rhosyr, near Newborough on Anglesey, is the only medieval Welsh princely court with visible remains open to the public. Dating from the 13th century, it served as a royal residence and law court for the Princes of Gwynedd, including Llywelyn the Great. The site features the outlines of walls and foundations of major buildings, revealing a sophisticated royal complex buried by a sandstorm in the 14th century and excavated in the 1990s. It is a scheduled monument managed by Cadw and offers a unique glimpse into medieval Welsh governance and society.

A brief summary to Llys Rhosyr

Church St, Llanfairpwllgwyngyll, Niwbwrch, LL61 6SG, GB
+441248440608
Visit website
Duration: 1 to 2 hours
Free
Outdoor
Mobile reception: 4 out of 5

Local tips

Visit during daylight hours as the site is open all year but has no lighting after dark.
Wear sturdy shoes for walking on uneven ground and exposed foundations.
Combine your visit with a trip to the reconstructed Llys Llywelyn at St Fagans National Museum of History for a fuller experience.
Bring a picnic to enjoy in the peaceful surroundings near the site.

Getting There

Car

Driving from central Anglesey to Llys Rhosyr takes approximately 20-30 minutes. Parking is available about 450 meters from the site on Church Street, Newborough. Note that parking space is limited and can fill during peak times.
Train and Bus

Take a train to Bodorgan station on the Shrewsbury to Holyhead line, about 7 km from Llys Rhosyr. From Bodorgan, local bus services or taxis can reach the site in 15-20 minutes. Train tickets typically cost £5-£10 one way.
Walking

For active visitors staying in Newborough, a 20-30 minute walk along mostly flat terrain leads to Llys Rhosyr. The path is easy and suitable for most fitness levels, with some uneven surfaces near the ruins.

Llys Rhosyr location weather suitability

Any Weather
Clear Skies
Mild Temperatures
Rain / Wet Weather

Discover more about Llys Rhosyr

Historical Significance of Llys Rhosyr

Llys Rhosyr was a key royal court and administrative center for the Princes of Gwynedd during the 13th and early 14th centuries. Serving as a residence and law court, it was a place where princes like Llywelyn the Great conducted governance, collected taxes, and dispensed justice. The site is unique as the only Welsh princely court with visible remains accessible to the public, reflecting the political and cultural heart of medieval Gwynedd before the English conquest under Edward I. After the conquest, the court fell into decline and was largely buried by a fierce sandstorm in 1332, remaining hidden until archaeological excavations in the early 1990s uncovered its foundations.

Archaeological Discoveries and Site Layout

Excavations revealed a walled courtyard enclosing several major buildings including a large hall with an off-center hearth, a chamber, and storage barns. The complex covered an area approximately 137 by 91 meters (450 by 300 feet). The perimeter wall remains partially intact, standing up to three feet high in places. Artifacts such as pottery, silverware, and lead fishing weights indicate the high status of its inhabitants. These findings suggest a royal lifestyle that was functional yet not overly luxurious. The site’s layout shows evolving architectural sophistication, linking rooms and creating a palace-like environment rather than a simple court.

Conservation and Modern Interpretation

Llys Rhosyr is now a scheduled monument under the care of Cadw, the Welsh Government’s historic environment service. The site is preserved to allow visitors to appreciate its archaeological and historical importance. Nearby, two buildings from Llys Rhosyr have been reconstructed at St Fagans National Museum of History as Llys Llywelyn, offering an immersive experience of medieval Welsh royal life. These reconstructions are used for educational events and medieval-themed activities, enhancing public understanding of Welsh heritage.

Setting and Visitor Experience

The site is located near Newborough in southwest Anglesey, with views across the Menai Strait to the mountains of Snowdonia (Eryri), a landscape once strategically important to the princes. Visitors can explore the exposed foundations and walls on relatively easy terrain. The atmosphere evokes the medieval past, where royal decisions shaped Welsh history. The site is free to visit and dog-friendly, with nearby parking and basic amenities. Its tranquil rural setting invites reflection on Wales’ rich medieval legacy.

Legacy and Cultural Importance

Llys Rhosyr stands as a rare tangible link to the Welsh princely courts that once dominated the landscape. It symbolizes Welsh sovereignty and medieval governance before English conquest. The site’s archaeological and cultural value is recognized nationally, making it a vital part of Wales’ historical narrative. Its preservation and interpretation contribute to ongoing efforts to celebrate and understand Welsh identity and medieval history.

Engagement and Events

Beyond static ruins, Llys Rhosyr’s legacy lives on through events at the reconstructed Llys Llywelyn at St Fagans, including medieval feasts, music gigs, and educational programs. These activities bring the medieval court to life, fostering community connection and historical appreciation. Cadw’s stewardship ensures that Llys Rhosyr remains accessible and relevant to future generations, bridging past and present through heritage conservation.

Iconic landmarks you can’t miss

Cadair y Cythraul

3.3 km

Discover the mysterious 'Chair of the Devil' in Llanfairpwllgwyngyll, a historic landmark steeped in Welsh myth and ancient landscape charm.

Porth y Clochydd

4.0 km

Explore the historical landmark of Porth y Clochydd in Llanfairpwllgwyngyll, a captivating site steeped in rich Welsh heritage and scenic beauty.

Celtic cross

4.1 km

A serene Celtic Cross memorial honoring Welsh poet Syr John Morris-Jones, set beside historic St. Mary's Church with stunning Menai Strait views.

Bryn Gwyn Standing Stones

4.6 km

Discover the towering Neolithic Bryn Gwyn Standing Stones, ancient sentinels of Anglesey’s prehistoric past and ritual heritage.

Caer Leb (Prehistoric Castle Enclosure)

5.7 km

Explore Caer Leb, a prehistoric fortified enclosure with water-filled ditches that reveal ancient defensive ingenuity on scenic Anglesey.

Pont Yr Aber

6.3 km

A scenic swing bridge linking Caernarfon Castle with woodland paths, offering iconic views and a touch of maritime theatre as boats pass beneath.

Caernarfon Tower

6.4 km

Explore Caernarfon Tower, a medieval fortress sentinel offering breathtaking views and rich Welsh history in a UNESCO World Heritage setting.

CARN / Oriel Pendeitsh

6.4 km

Discover contemporary Welsh art and culture in Caernarfon’s inspiring Oriel Pendeitsh gallery, a vibrant creative hub above the Tourist Information Centre.

Caernarfon War Memorial

6.6 km

A dignified stone pillar in Castle Square honoring Caernarfon’s fallen heroes from the World Wars and beyond.

South African War Memorial

6.7 km

A wheel-headed Celtic cross honouring 173 Caernarfonshire soldiers lost in the Boer War, unveiled in 1904.

Hen Eglwys Llanfihangel Ysgeifiog

10.0 km

Explore the evocative ruins of Hen Eglwys Llanfihangel Ysgeifiog, a medieval Welsh church steeped in history and nestled in tranquil Anglesey countryside.

Tafarn Snowdonia Parc

12.5 km

Discover the heart of Welsh culture at Tafarn Snowdonia Parc, where delicious food meets stunning natural beauty in Snowdonia National Park.

Ynys yr Eglwys

14.7 km

Discover the serene charm and rich heritage of Ynys yr Eglwys, a peaceful island gem beside the iconic Menai Suspension Bridge.

Tŷ-Gwyn Menhir

15.9 km

Discover the ancient Tŷ-Gwyn Menhir near Menai Bridge, a prehistoric standing stone steeped in druidic mystery and Welsh heritage.

Dolbadarn Castle

17.5 km

Discover the enchanting Dolbadarn Castle in Snowdonia, a historical treasure offering stunning views and a glimpse into Wales' medieval past.

Unmissable attractions to see

Anglesey Model Village & Cafe

1.4 km

Discover Anglesey’s charm in miniature form with scenic gardens, detailed models, and a cozy cafe experience.

Anglesey Transport Museum & Café - Tacla Taid

1.8 km

Discover Wales’ largest transport museum with over 130 vehicles, live restorations, and a cozy café in scenic Anglesey.

Anglesey Transport Museum & Café - Tacla Taid

Maes Parcio Ynys Llanddwyn and Newborough Beach

2.4 km

Discover the tranquil blend of sandy beaches, forest trails, and rich wildlife at Maes Parcio Ynys Llanddwyn and Newborough Beach on Anglesey.

Goleudy Tŵr Mawr

4.5 km

Explore the breathtaking Goleudy Tŵr Mawr, a historic lighthouse offering stunning views and rich maritime heritage in Caernarfon, Wales.

Castell Bryn Gwyn

4.9 km

Explore Castell Bryn Gwyn, a peaceful Neolithic enclosure on Anglesey with millennia of history etched into its ancient earthworks.

Bodowyr Burial Chamber

5.1 km

Explore the enigmatic Neolithic Bodowyr Burial Chamber on Anglesey, a timeless passage grave set amidst stunning Welsh countryside and panoramic Snowdonia views.

Foel Farm Park

5.6 km

Discover a charming working farm with animal encounters, scenic views, and family fun on the beautiful Isle of Anglesey.

Anglesey Sea Zoo

5.8 km

Discover native British marine life and conservation efforts at Wales' largest aquarium, a family-friendly hub with interactive exhibits and fun activities.

Eglwys Sant Baglan

5.9 km

Discover the timeless charm of St Baglan's Church, a medieval sanctuary steeped in ancient history and coastal Welsh heritage.

Aber Foreshore

5.9 km

A scenic coastal walk with iconic views of Caernarfon Castle and the Menai Strait, perfect for a peaceful stroll or a quiet moment by the water.

Halen Môn - Anglesey Sea Salt Company

5.9 km

Discover the world’s finest Welsh sea salt and immersive coastal experiences at Halen Môn on the Isle of Anglesey.

Bath Tower

6.3 km

Sleep in a 13th-century tower within Caernarfon's castle walls—where medieval history meets modern comfort.

Caernarfon Waterfront

6.3 km

Historic Caernarfon Waterfront: Where medieval heritage meets vibrant maritime charm on the Menai Strait.

Hanging Tower

6.3 km

A haunting medieval tower in Caernarfon where justice was once served by execution, steeped in history and ghostly legend.

Big Wheel, Caernarfon Castle

6.3 km

Experience breathtaking panoramic views from the Big Wheel beside historic Caernarfon Castle, blending medieval heritage with modern leisure.

Savor authentic wood-fired pizzas in a cozy Caernarfon setting, blending traditional flavors with local charm every evening.

Four Alls

6.5 km

Historic charm meets delicious fare at The Four Alls, Caernarfon’s beloved pub and restaurant for great food, drinks, and community spirit.

The Market Hall Brew Pub

6.5 km

Discover the essence of Welsh hospitality at The Market Hall Brew Pub in Caernarfon – where local brews meet delicious bites.

Ouzo & Olive

6.5 km

Discover authentic Greek tapas and warm hospitality in the historic heart of Caernarfon at Ouzo & Olive.

Lizzy's Caernarfon

6.5 km

A cozy, woman-owned café near Caernarfon Castle serving fresh, home-cooked British dishes with warm Welsh hospitality.

Osteria

6.5 km

Experience authentic Tuscan cuisine in a cozy, welcoming Italian restaurant nestled in the heart of Caernarfon.

Discover timeless vintage and antique homewares blending Welsh heritage with modern style in a charming family-run online boutique.

A cozy, traditional Welsh pub in Caernarfon offering local ales, hearty food, and a welcoming community atmosphere every day from noon till late.

Nightclubs & after hour spots

Wellman's Sports & Social Club

10.7 km

Llangefni’s vibrant social hub with lively entertainment, spacious dance floor, and a welcoming community atmosphere.

Academi

17.2 km

Bangor’s beloved student nightclub, offering vibrant music, a welcoming atmosphere, and a central role in university social life.

Trilogy Nightclub

17.8 km

Experience Bangor’s vibrant nightlife at Trilogy Nightclub, where diverse music rooms and lively weekend parties create unforgettable nights.

The Buffs

24.4 km

A welcoming social club in Holyhead offering lively nights, friendly faces, and a true taste of local nightlife on Cambria Street.

Stag Inn

28.5 km

Experience the charm of Anglesey at The Stag Inn, where delicious meals and a cozy atmosphere await you.

Vics Boogie-Nights

28.6 km

Experience the vibrant nightlife at Vic's Boogie-Nights, Abererch's premier bar for music, dancing, and unforgettable memories.

The Cove

28.7 km

Experience the vibrant nightlife at The Cove in Hafan Y Mor, North Wales, where music, dancing, and unforgettable memories await.

Clwb Llyn Bach

30.5 km

Discover the lively spirit of Clwb Llyn Bach, a top pub in Porthmadog offering great drinks, vibrant events, and a friendly atmosphere.

Black Rock Beach Club

31.0 km

Experience the ultimate beachside retreat at Black Rock Beach Club with delicious grilled dishes and breathtaking coastal views.

Club 147

40.0 km

Llandudno’s energetic nightclub and sports bar offering electronic beats, pool, and a lively social scene in the town centre.

Broadway Boulevard

40.6 km

Llandudno’s largest nightclub, Broadway Boulevard pulses with vibrant music, themed events, and a lively party atmosphere in the heart of town.

New Horizons

48.1 km

Experience vibrant nightlife and lively music at New Horizons, Dyffryn Ardudwy’s welcoming nightclub with spaces for all ages.

The Club Barmouth

53.1 km

Experience vibrant Saturday nights at The Club Barmouth, where stylish vibes meet lively music by the scenic Welsh coast.

Bentley’s Sports Bar & NightClub

57.4 km

Experience Towyn’s vibrant nightlife at Bentley’s Sports Bar & NightClub, where music, dancing, and great vibes come alive every weekend.

Ellis's Bar

60.6 km

Discover the lively nightlife at Ellis's Bar in Rhyl, a vibrant spot for cocktails, music, and unforgettable moments.

Your Ultimate Free Travel Guide

Discover Llys Rhosyr with Evendo, a 100% free app-based travel guide. Explore attractions, landmarks, restaurants, and more with ease and convenience.

Llys Rhosyr: The Medieval Royal Court of the Princes of Gwynedd

A brief summary to Llys Rhosyr

Local tips

For the on-the-go comforts that matter to you

Getting There

Car

Train and Bus

Walking

Llys Rhosyr location weather suitability

Unlock the Best of Llys Rhosyr

Buy tickets

Book tours with entry

Book tours without entry

Discover more about Llys Rhosyr

Historical Significance of Llys Rhosyr

Archaeological Discoveries and Site Layout

Conservation and Modern Interpretation

Setting and Visitor Experience

Legacy and Cultural Importance

Engagement and Events

Iconic landmarks you can’t miss

Cadair y Cythraul

Porth y Clochydd

Celtic cross

Bryn Gwyn Standing Stones

Caer Leb (Prehistoric Castle Enclosure)

Pont Yr Aber

Caernarfon Tower

CARN / Oriel Pendeitsh

Caernarfon War Memorial

South African War Memorial

Hen Eglwys Llanfihangel Ysgeifiog

Tafarn Snowdonia Parc

Ynys yr Eglwys

Tŷ-Gwyn Menhir

Dolbadarn Castle

Unmissable attractions to see

Anglesey Model Village & Cafe

Anglesey Transport Museum & Café - Tacla Taid

Maes Parcio Ynys Llanddwyn and Newborough Beach

Goleudy Tŵr Mawr

Castell Bryn Gwyn

Bodowyr Burial Chamber

Foel Farm Park

Anglesey Sea Zoo

Eglwys Sant Baglan

Aber Foreshore

Halen Môn - Anglesey Sea Salt Company

Bath Tower

Caernarfon Waterfront

Hanging Tower

Big Wheel, Caernarfon Castle

Essential places to dine

Y Marram

Molly's

SeaView Indian Restaurant

Fu's

Harbour Table Table

Galeri Café Bar

The Old Courthouse, Caernarfon

Black Boy Inn Four & Six Restaurant & Bar

Wal Restaurant

Tân Woodfired Pizza

Four Alls

The Market Hall Brew Pub

Ouzo & Olive

Lizzy's Caernarfon

Osteria

Markets, malls and hidden boutiques

Mirsi

Craftcentre Cymru

Slate and Things

Siop Y Ddraig

Lotti & Wren

YLP Fabric & Wool Shop

Tin of Sea

Lwsi

Siop Siafins

Siop iard Caernarfon

Castle Gift Shop