Tre'r Ceiri Hillfort: Majestic Iron Age Stronghold on the Llŷn Peninsula
Explore one of Britain’s best-preserved Iron Age hillforts with intact stone walls and panoramic views atop the Llŷn Peninsula’s rugged peaks.
Tre'r Ceiri Hillfort, perched 450 meters above sea level on the Yr Eifl peaks in northwest Wales, is one of Britain's best-preserved Iron Age hillforts. Featuring remarkably intact stone walls, over 150 ancient hut circles, and panoramic views of the Llŷn Peninsula and surrounding coast, this historic site offers a vivid glimpse into life between 200 BC and 500 AD. Accessible via a steep hike, it invites visitors to explore its ancient defensive structures and imagine the lives of its inhabitants.
A brief summary to Tre'r Ceiri Hillfort
- Caernarfon, Llanaelhaearn, LL54 5AY, GB
- Visit website
- Duration: 1 to 3 hours
- Free
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Outdoor
- Mobile reception: 3 out of 5
Local tips
- Wear sturdy hiking boots and bring water as the ascent to Tre'r Ceiri is steep and the terrain uneven.
- Visit during daylight hours for safety and to fully appreciate the panoramic views.
- Take time to explore the remains of the ancient stone houses and the Bronze Age cairn at the summit.
- No entrance fee or booking is required; the site is open-access and free to explore.
For the on-the-go comforts that matter to you
- Information Boards
Getting There
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Car
Driving from Caernarfon to the Tre'r Ceiri Hillfort takes approximately 40 to 50 minutes. Parking is available near Nant Gwrtheyrn or at a small layby on the B4417. The final approach involves a steep footpath to the site. Parking is limited and can fill quickly during peak seasons. No parking fees apply.
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Bus and Hiking
Take a regional bus from Caernarfon to Llanaelhaearn or nearby villages, with journey times around 1 to 1.5 hours depending on connections. From the bus stop, expect a 45 to 60-minute steep hike on uneven terrain to reach the hillfort. Suitable hiking footwear and water are essential.
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Walking
For experienced walkers, a direct hike from the village of Trefor to Tre'r Ceiri takes about 1.5 to 2 hours over challenging, uneven terrain with significant elevation gain. This route offers scenic views but requires good fitness and proper footwear.
Tre'r Ceiri Hillfort location weather suitability
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Any Weather
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Clear Skies
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Windy Conditions
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Mild Temperatures
Discover more about Tre'r Ceiri Hillfort
Ancient Origins and Historical Significance
Tre'r Ceiri Hillfort dates back to around 200 BC, reaching its height of occupation between 150 and 400 AD. It was likely home to up to 400 people during the Iron Age, serving as a fortified settlement with a commanding view over the Llŷn Peninsula and the Irish Sea. The site was abandoned around 500 AD, but its stone walls and structural remains have endured remarkably well, making it a vital link to Britain's prehistoric past.Architectural Marvels of Stone and Turf
The hillfort is enclosed by thick, robust stone walls standing up to 4 meters tall in places, constructed from local loose stones. Experimental archaeology suggests these walls could be built rapidly, with a small team erecting about a meter per day. Inside, visitors find the foundations of at least 150 small circular huts and 26 larger rectangular stone houses, many sharing walls. These dwellings likely had turf-covered roofs supported by wooden trusses, with floors sunk below ground level, demonstrating sophisticated Iron Age building techniques.Exploring the Site and Its Surroundings
Visitors can walk along the ancient parapet walkways and explore the remains of enclosures outside the walls, which may have served as animal pens or small fields. The hillfort also includes the remains of a Bronze Age cairn at its highest point, adding to the site's multi-period significance. Information boards provide historical context, enriching the experience of wandering through this atmospheric landscape.Stunning Panoramas and Natural Setting
Perched on an exposed peak of Yr Eifl at 450 meters elevation, Tre'r Ceiri offers breathtaking panoramic views across the Llŷn Peninsula, the coastline, and out towards Anglesey. The rugged terrain and vibrant lichens growing on the ancient stones add texture and color, enhancing the sensory experience. The climb is steep and requires sturdy footwear, but the vistas and sense of connection to the past reward the effort.Access and Visitor Experience
The hillfort is freely accessible year-round, with no admission fees or booking required. It is reached by a signed but steep footpath, demanding a moderate to challenging hike over uneven terrain. Visitors should bring water and wear appropriate footwear. While technically accessible at night, visits after dark are not recommended due to safety concerns. The site is open-air, with no facilities on location, encouraging a respectful and self-sufficient visit.Legacy and Cultural Importance
Tre'r Ceiri stands as one of the best-preserved defensive hillforts in Britain, offering invaluable insights into Iron Age life and community organization. Artefacts found here, including pottery, stone spindle-whorls, and glass beads, reflect a Romano-British influence and enrich the narrative of cultural continuity and change. This hillfort is a treasured heritage site that connects modern visitors with the ingenuity and resilience of ancient peoples.Iconic landmarks you can’t miss
Braich Las / Trwyn y Gorlech
2.6 km
Discover the rugged coastal cliffs and ancient heritage of Braich Las / Trwyn y Gorlech on Wales’ scenic Llŷn Peninsula.
Gyrn Goch
4.5 km
A quiet coastal hamlet between Caernarfon Bay and the mountain Gyrn Goch, perfect for walkers and those seeking a peaceful Welsh retreat.
Site of Plaid Cymru’s founding
9.6 km
Historic birthplace of Plaid Cymru, where Welsh nationalism took root in 1925 at Pwllheli’s Y Maes.
Aber-marchnad
14.5 km
Historic coastal market site at Criccieth, marked by resilience and scenic views beside the iconic castle ruins.
Celtic cross
18.2 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.
Porth y Clochydd
18.2 km
Explore the historical landmark of Porth y Clochydd in Llanfairpwllgwyngyll, a captivating site steeped in rich Welsh heritage and scenic beauty.
Cadair y Cythraul
19.1 km
Discover the mysterious 'Chair of the Devil' in Llanfairpwllgwyngyll, a historic landmark steeped in Welsh myth and ancient landscape charm.
Ynys Cyngar
19.7 km
Historic maritime landmark on the Glaslyn estuary, offering scenic coastal views and a glimpse into North Wales’ slate and shipping heritage.
Caernarfon Tower
20.5 km
Explore Caernarfon Tower, a medieval fortress sentinel offering breathtaking views and rich Welsh history in a UNESCO World Heritage setting.
Pont Yr Aber
20.7 km
A scenic swing bridge linking Caernarfon Castle with woodland paths, offering iconic views and a touch of maritime theatre as boats pass beneath.
CARN / Oriel Pendeitsh
20.8 km
Discover contemporary Welsh art and culture in Caernarfon’s inspiring Oriel Pendeitsh gallery, a vibrant creative hub above the Tourist Information Centre.
Tafarn Snowdonia Parc
20.9 km
Discover the heart of Welsh culture at Tafarn Snowdonia Parc, where delicious food meets stunning natural beauty in Snowdonia National Park.
Caernarfon War Memorial
20.9 km
A dignified stone pillar in Castle Square honoring Caernarfon’s fallen heroes from the World Wars and beyond.
South African War Memorial
21.4 km
A wheel-headed Celtic cross honouring 173 Caernarfonshire soldiers lost in the Boer War, unveiled in 1904.
Sygun Copper Mine
23.4 km
Discover the fascinating history of Sygun Copper Mine in Beddgelert, a captivating tourist attraction in the heart of Snowdonia National Park.
Unmissable attractions to see
Yr Eifl
0.8 km
Explore the dramatic triple peaks of Yr Eifl, where ancient hillforts meet sweeping sea views on Wales’s rugged Llŷn Peninsula.
Canolfan Dreftadaeth Heritage Centre
2.3 km
Explore the rich Welsh heritage and vibrant community spirit at Canolfan Dreftadaeth Heritage Centre in the heart of Pwllheli.
Gyrn Ddu
3.5 km
Explore Gyrn Ddu, a rugged hill on Wales’ Llŷn Peninsula offering ancient geology, open walking country, and breathtaking panoramic views.
Snowdonia Attractions
3.5 km
Discover the tranquil charm and stunning natural beauty of Snowdonia Attractions at Y Ffor, a gateway to North Wales’ mountains and coast.
Caeau Tan y Bwlch North Wales Wildlife Trust nature reserve
7.1 km
Discover the vibrant wildflower meadows and traditional haylands of Caeau Tan y Bwlch, a tranquil nature reserve rich in biodiversity and heritage.
Amgueddfa Forwrol Llŷn Maritime Museum
7.6 km
Discover the rich maritime heritage of the Llŷn Peninsula in a historic church-turned-museum with vivid exhibits and community stories.
Penarth Fawr
8.3 km
Step into 15th-century Wales at Penarth Fawr, a rare medieval manor showcasing timeless stone architecture and stunning timber craftsmanship.
Llŷn Peninsula
10.2 km
Discover the wild beauty and rich heritage of Wales’ Llŷn Peninsula, a coastal paradise of sweeping beaches, ancient sites, and vibrant Welsh culture.
Tŷ Coch Inn
10.2 km
Historic red pub on a sandy beach with stunning Irish Sea views, accessible only by foot across the golf course.
Moryn
10.2 km
Stylish beachfront apartment in Porthdinllaen with stunning sea views and direct beach access on the beautiful Llyn Peninsula.
Amgueddfa Lloyd George Museum
11.9 km
Explore the life and legacy of David Lloyd George at this intimate museum nestled in his childhood home on the Llŷn Peninsula.
Llŷn Area of Outstanding Natural Beauty
12.7 km
Experience the wild beauty and rich Welsh culture of the Llŷn Peninsula’s stunning coastal and rural landscapes.
Criccieth
14.1 km
Discover Criccieth, the Pearl of Wales, where medieval castles meet sandy shores and scenic coastal charm enchants every visitor.
Castell Cricieth
14.4 km
Dramatic medieval castle perched on a coastal headland with stunning views over Cardigan Bay and rich Welsh history.
Airworld Aviation Museum
15.1 km
Explore historic aircraft and aviation heritage hands-on at Caernarfon Airport’s immersive Airworld Aviation Museum.
Essential places to dine
Bombay Joes
7.8 km
Experience authentic Indian cuisine with warm hospitality in the charming coastal town of Nefyn, North Wales.
Y Madryn
8.7 km
A cozy village pub and restaurant in Chwilog offering hearty home-cooked meals and a warm, welcoming atmosphere.
The Goat Inn - Tafarn Yr Afr
10.9 km
A cosy gastropub in Garndolbenmaen serving hearty Welsh fare with warm hospitality and a welcoming atmosphere.
Tremfan Hall
13.3 km
Historic coastal retreat in Llanbedrog offering modern British dining with stunning sea views and charming en-suite accommodation.
Pant Du Vineyard and Cafe
13.4 km
Discover Pant Du Vineyard and Cafe: Welsh wines, home-cooked meals, and stunning Snowdonia views in a family-friendly rural setting.
Glyn Y Weddw Arms
13.6 km
A charming coastal pub in Llanbedrog offering fresh food, family-friendly fun, and traditional Welsh hospitality in a relaxed seaside setting.
Aqua Beach Bar Restaurant
13.9 km
A contemporary beachside grill and bar with stunning coastal views, fresh seafood, and warm family hospitality in Llanbedrog.
Poachers Restaurant
14.3 km
Experience the heart of Welsh cuisine with fresh local flavors and warm hospitality at Poachers Restaurant in Criccieth.
Tir a Môr
14.3 km
Fresh seafood and warm Welsh hospitality combine at Tir a Môr, a cozy café and restaurant in scenic Criccieth.
Dylan's Criccieth
14.7 km
Experience fresh Welsh seafood and stunning sea views in a charming Art Deco setting at Dylan's Criccieth on the North Wales coast.
The Potted Lobster
17.6 km
Fresh, locally sourced seafood served in a stylish coastal setting with vibrant atmosphere and welcoming service in Abersoch.
The Dining Room
17.6 km
Intimate Welsh bistro in Abersoch serving seasonal local dishes with fresh, refined flavors in a cozy, elegant setting.
Plas Dinas Country House
17.9 km
Luxurious historic country house near Caernarfon offering royal heritage, fine Welsh dining, and tranquil gardens with Menai Strait views.
The Gunroom Restaurant
17.9 km
Historic charm meets exquisite Welsh fine dining in the cozy elegance of The Gunroom at Plas Dinas Country House.
Y Sgwâr
19.3 km
Experience warm hospitality and exquisite British-European cuisine in the heart of historic Tremadog at Y Sgwâr.
Markets, malls and hidden boutiques
Pwyth Pistyll
9.6 km
Explore Pwyth Pistyll in Pwllheli for unique gifts and local treasures that capture the essence of Welsh culture.
Ludicrous Allsorts
12.8 km
Quirky Welsh antique shop brimming with vintage treasures and nostalgic curiosities.
Hampers Store
12.8 km
A versatile gift and general store in Penygroes offering sweets, hardware, stationery, pet food, and DIY supplies under one welcoming roof.
Siop Hwylus Penygroes
13.0 km
Authentic Welsh flavors and everyday essentials await at Siop Hwylus Penygroes, your friendly local supermarket in the heart of Penygroes.
Adra | Stylish Welsh gifts
13.5 km
Discover stylish, handcrafted Welsh gifts and homeware at Adra, nestled in the scenic Parc Glynllifon near Caernarfon.
Eifion Stores
14.1 km
Discover unique Welsh gifts and homewares in a charming Criccieth shop nestled near Snowdonia’s scenic beauty.
Atig Helens Attic
14.3 km
Discover unique antiques and handcrafted treasures in a warm, family-run shop nestled in the historic heart of Criccieth.
Blythe Farm Emporium
15.1 km
Discover vintage treasures and refurbished antiques at Blythe Farm Emporium, a charming hub of collectibles near Caernarfon.
Boho Bazaar
20.2 km
A colourful, fair-trade gift shop on Porthmadog’s High Street, filled with bohemian clothing, handmade jewellery, essential oils and global-inspired décor.
The Original Factory Shop (Porthmadog)
20.3 km
Discover unbeatable deals on quality clothing, beauty, and footwear at The Original Factory Shop in the heart of Porthmadog.
Tesco Superstore
20.5 km
Your convenient and comprehensive supermarket in Caernarfon, offering fresh local produce and everyday essentials with extended hours.
Crafts North Wales
20.5 km
Discover authentic handmade crafts and local treasures at Crafts North Wales, a charming gift shop in the heart of Porthmadog.
Pop Local And Beyond
20.5 km
Discover authentic Welsh handmade gifts and homeware at Pop Local and Beyond, supporting local artisans in the heart of Porthmadog.
Cymru Country Store
20.5 km
Discover authentic Welsh gifts and crafts at Cymru Country Store, Porthmadog’s charming souvenir shop on High Street.
Miss Sophie
20.8 km
Discover unique Welsh gifts and local treasures at Miss Sophie, a charming boutique in the heart of Caernarfon.
Essential bars & hidden hideouts
Vics Boogie-Nights
8.3 km
Energetic bar in Abererch offering lively DJ nights and a friendly atmosphere for music lovers and nightlife seekers.
Y Bryncynan, Morfa Nefyn
9.2 km
Cozy gastropub in Morfa Nefyn offering hearty British fare, award-winning ales, vegan options, and a welcoming coastal atmosphere.
Tafarn Y Plu
11.9 km
Historic Welsh pub in Llanystumdwy offering traditional fare, local ales, and a cozy atmosphere steeped in Welsh culture.
The Goat - Yr Afr
12.6 km
A warm, community-focused pub in Penygroes offering good beer, friendly faces, and a lively traditional atmosphere.
Ship Inn
13.8 km
A beloved traditional pub on the Llyn Peninsula offering warm hospitality, fresh seafood, and a family-friendly atmosphere by the sea.
Bryn Hir Arms
14.1 km
Experience authentic Welsh pub culture with great beers, warm hospitality, and a lively atmosphere in the heart of Criccieth.
Prince of Wales
14.2 km
A welcoming traditional pub in Criccieth offering hearty meals, lively social atmosphere, and a true taste of Welsh coastal charm.
Tafarn Pennionyn
15.1 km
A cosy, friendly village pub in Groeslon offering traditional Welsh hospitality, great drinks, and a welcoming community atmosphere.
Tafarn Glanaber
18.7 km
Cozy coastal bar and restaurant in Morfa Bychan serving fresh Welsh seafood with stunning sea views and a warm, relaxed atmosphere.
Black Rock Beach Club
18.7 km
Stylish beachside dining and drinks with heated outdoor terrace, BBQ flavors, and a welcoming vibe in Morfa Bychan, North Wales.
The Newborough Arms
18.8 km
A warm, family-friendly pub in Bontnewydd offering hearty Welsh fare, a lively bar, and a spacious beer garden with play area.
The Union Inn
19.3 km
Historic 19th-century village pub in Tremadog offering cozy rooms, traditional Welsh fare, and a warm, welcoming atmosphere.
The Sun Inn
19.4 km
A charming traditional Welsh pub in Llanengan offering quality ales, hearty food, and a welcoming village atmosphere.
Red Lion
20.2 km
A welcoming traditional Welsh pub in Porthmadog with a spacious beer garden, pool table, and lively atmosphere for locals and visitors alike.
The Ship Inn/ Y Llong
20.4 km
A traditional Welsh pub in Porthmadog offering hearty homemade meals and a warm, welcoming atmosphere steeped in maritime heritage.
Nightclubs & after hour spots
The Cove
9.9 km
Experience the vibrant nightlife at The Cove in Hafan Y Mor, North Wales, where music, dancing, and unforgettable memories await.
Wellman's Sports & Social Club
31.8 km
Llangefni’s vibrant social hub with lively entertainment, spacious dance floor, and a welcoming community atmosphere.
New Horizons
32.4 km
Experience vibrant nightlife and lively music at New Horizons, Dyffryn Ardudwy’s welcoming nightclub with spaces for all ages.
The Victoria
32.8 km
Traditional Welsh pub and restaurant with scenic Menai Strait views, recently refurbished for a welcoming and modern experience.
Academi
34.1 km
Bangor’s beloved student nightclub, offering vibrant music, a welcoming atmosphere, and a central role in university social life.
Trilogy Nightclub
34.7 km
Experience Bangor’s vibrant nightlife at Trilogy Nightclub, where diverse music rooms and lively weekend parties create unforgettable nights.
The Club Barmouth
37.3 km
Experience vibrant Saturday nights at The Club Barmouth, where stylish vibes meet lively music by the scenic Welsh coast.
The Buffs
40.1 km
A welcoming social club in Holyhead offering lively nights, friendly faces, and a true taste of local nightlife on Cambria Street.
Albert Vaults
40.1 km
Experience authentic Welsh hospitality at Albert Vaults, a charming pub in Anglesey with a vibrant atmosphere and exceptional drinks.
The Queens Head
48.7 km
Experience the heart of Amlwch at The Queens Head, a welcoming pub with local ales and hearty meals in a cozy atmosphere.
Stag Inn
48.8 km
Experience the charm of Anglesey at The Stag Inn, where delicious meals and a cozy atmosphere await you.
Club 147
55.6 km
Llandudno’s energetic nightclub and sports bar offering electronic beats, pool, and a lively social scene in the town centre.
Broadway Boulevard
55.9 km
Llandudno’s largest nightclub, Broadway Boulevard pulses with vibrant music, themed events, and a lively party atmosphere in the heart of town.
Pier Pressure
66.1 km
Experience Aberystwyth’s vibrant nightlife at Pier Pressure, a lively nightclub set on the historic Royal Pier by scenic Cardigan Bay.
Yokoswnb
66.3 km
A vibrant, budget-friendly nightclub and bar in Aberystwyth, popular with students for its lively atmosphere and central location.
For the vibe & atmosphere seeker
- Adventurous
- Scenic
- Tranquil
- Unique
For the design and aesthetic lover
- Rustic Designs
- Vintage Styles
For the architecture buff
- Historic
- Landmarks
For the view chaser and sunset hunter
- Iconic Views
- Panoramas
- Sunrise Spots
- Sunset Spots
For the social media creator & influencer
- Instagrammable
- Photo Spots
- Selfie Spots
For the eco-conscious traveler
- Eco-Friendly
- Low Impact
- Protected Area
- Public-Transport Accessible
- Leave-No-Trace Critical
- Locally Managed
For the kind of experience you’re after
- Cultural Heritage
- Nature Escape
- Day Trip
- Weekend Getaway
- Photowalk
For how adventurous you want the journey to be
- Requires Hike
Location Audience
- Family Friendly
- Senior Friendly
- Child Friendly
- Teen Friendly
- Solo Friendly
- Couple Friendly
- Vegetarian Friendly
- Vegan Friendly
