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Bangor

Top 5 Castles around Bangor

Best castles around Bangor are found in a region rich in history and diverse landscapes, particularly in North Wales. The area is characterized by its proximity to the Menai Strait, the Isle of Anglesey, and the Snowdonia mountain range. This geographic setting provides a backdrop for both coastal and mountainous terrain, influencing the strategic placement of its historical fortresses. The castles here reflect various periods of construction, from medieval Welsh strongholds to grand 19th-century estates.

Best castles around Bangor

  • The most popular castles is Beaumaris Castle, a historical site known as "the greatest castle never built." This UNESCO World Heritage Site is an exceptional example of late 13th-century military architecture, designed for formidable defense.
  • Another must-see spot is Castell Aberlleiniog, an atmospheric historical site nestled within a serene woodland nature reserve. This motte and bailey fortress, originally founded in 1099, was replaced by a stone castle in the early 17th century.
  • Visitors also love Penrhyn Castle, a 19th-century neo-Norman country house. It is renowned for its formidable architecture, opulent interiors, and fine art collection.
  • Bangor is known for its medieval fortresses, 19th-century Neo-Norman fantasy castles, and native Welsh strongholds. This variety allows visitors to explore different architectural styles and historical periods across the region.
  • The castles around Bangor are appreciated by the komoot community, with more than 50 upvotes and 95 photos shared by visitors.

Last updated: May 22, 2026

Beaumaris Castle

Highlight • Historical Site

Beaumaris is known as the greatest castle never built. The castle was constructed as part of Edward I's campaign to conquer north Wales after 1282. Whilst Edward and his architect James of St George had grand visions for the castle, lack of funds meant building work petered out in the 1320s. As such, the south gatehouse and the six great towers never reached their intended height and the Llanfaes gate was hardly started before work was abandoned.

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Castell Aberlleiniog

Highlight • Historical Site

Castell Aberlleiniog is an atmospheric site nestled within a serene woodland nature reserve. The motte and bailey fortress was founded in 1099 by Hugh d'Avranches, 1st Earl of Chester, due to its strategic beside the Menai Strait opposite the Norman castle at Abergwyngregyn. The original Norman timber structure was replaced by a stone castle in the early 17th century.

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Penrhyn Castle

Highlight • Viewpoint

Built in the style of a Norman castle in the early 19th century, Penrhyn Castle became the home of Lord Pehrhyn, the owner of Bethesda's Penrhyn Quarry. It is one of Britain's most revered mock castles.

However, it is also a poignant reminder of the social injustices of the age. It was built using the profits gained from the slave trade by the Pennant family. Later, it was the home of the ruthless George Sholto Gordon Douglas Pennant, whose dealings with the slate workers in Bethesda culminated in one of the longest industrial disputes in Britain: the Great Penrhyn Quarry Strike of 1900 to 1903.

Today, it is owned by the National Trust and boasts beautiful gardens, a railway museum, one of Wales' finest art collections and glorious views of Snowdonia.

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Padarn Country Park

Highlight • Castle

Fantastic walking, lakeside views, castle ruins, fascinating industrial heritage, stunning wildlife and views over to Snowdon: what's not to love? The 800-acre (324 ha) Padarn Country Park surrounds Llyn Padarn above the popular village of Llanberis.

There are many gorgeous spots to take in the scenery, such as Pont Pen-y-llyn at the lakes' north western tip, or Dolbadarn Castle, Llewelyn the Great's 13th-century fortress, on the shores of Llyn Peris.

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Slate splitting demonstration

Highlight • Monument

While the National Slate Museum in Llanberis undergoes redevelopment, some of the museum’s activities will continue elsewhere. For example, the unique art of slate splitting and working will be demonstrated here at Penrhyn Castle for many years to come.

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Dominiek Van Dooren
June 30, 2025, Penrhyn Castle

Penrhyn Castle’s dominant stone façade belies more than its internal red-brick construction. Built in the early 19th century, its formidable architecture, opulent interiors and art collection draw on a long history of sugar and slate fortunes, social unrest and the longest-running labour dispute in British history. Owned by the Pennant family, Penrhyn is a prime example of how wealth derived from slavery has shaped Welsh buildings and local labour history. Richard Pennant, a staunch anti-abolitionist, used his fortune – acquired from slave-owning sugar plantations in Jamaica – to fund roads, railways, schools, hotels, workers’ cottages, churches and farms in North Wales. The Penrhyn Slate Quarry and Port Penrhyn, founded by the Pennants, dominated the Welsh slate industry for almost 150 years. Penrhyn Castle’s vast rooms, rich neo-Norman architecture and opulent furnishings are steeped in this colonial history. Penrhyn Castle is situated on the Menai Strait, with the peaks of the Eryri (Snowdonia) in the background, overlooking the quarry and harbour from which the slate was exported all over the world. It is surrounded by wooded and open parkland, ideal for exploring, and a walled garden that predates the castle and provides a peaceful haven for relaxation. (National Trust)

Translated by Google

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While the National Slate Museum in Llanberis undergoes redevelopment, some of the museum’s activities will continue elsewhere. For example, the unique art of slate splitting and working will be demonstrated here at Penrhyn Castle for many years to come.

Translated by Google

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Beaumaris Castle (/bjuːˈmærɪs/ bew-MAR-is; Welsh: Castell Biwmares Welsh pronunciation: [kastɛɬ bɪuˈmaːrɛs]), in Beaumaris, Anglesey, was built as part of Edward I's campaign to conquer north Wales after 1282. Plans were probably first made to construct the castle in 1284, but this was delayed due to lack of funds and work only began in 1295 following the Madog ap Llywelyn uprising. A substantial workforce was employed in the initial years under the direction of James of St George. Edward's invasion of Scotland soon diverted funding from the project, however, and work stopped, only recommencing after an invasion scare in 1306. When work finally ceased around 1330 a total of £15,000 had been spent, a huge sum for the period, but the castle remained incomplete.

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One of Edward I’s great Welsh fortresses, a notable landmark as you enter the town.

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Cool castle with an exciting history. It's worth a visit and there are many corridors in the castle to explore.

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Beaumaris is a great place to visit, lovely to walk round the town, easy to park and the castle is just something else!! Worth a visit and worth the entry fee for sure.

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Andy
August 23, 2023, Beaumaris Castle

A beautiful castle to visit. Best to go early to avoid the crowds.

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Rafa
January 28, 2023, Beaumaris Castle

Beaumaris Castle – cared for by CADW – is an amazing place to visit. For information, prices and opening hours, see https://cadw.gov.wales/visit/places-to-visit/beaumaris-castle

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Frequently Asked Questions

What historical periods do the castles around Bangor represent?

The castles in the Bangor area showcase a range of historical periods. You can find medieval Welsh strongholds like Dolbadarn Castle, formidable 13th-century English fortresses such as Beaumaris Castle, and grand 19th-century Neo-Norman estates like Penrhyn Castle. This variety allows visitors to explore different architectural styles and historical contexts.

Are there any native Welsh castles near Bangor, distinct from the English-built fortresses?

Yes, Dolbadarn Castle, located within Padarn Country Park near Llanberis, is a notable 13th-century Welsh fortress. It primarily consists of a prominent round tower and offers a glimpse into native Welsh architecture, contrasting with the larger English-built castles in the region.

What makes Beaumaris Castle unique among the castles in the region?

Beaumaris Castle is renowned as 'the greatest castle never built' because it was never fully completed due to a lack of funds. Despite this, it is a UNESCO World Heritage Site and considered a near-perfect concentric castle, showcasing exceptional late 13th-century military architecture designed for formidable defense.

What is the history behind Penrhyn Castle?

Penrhyn Castle is a colossal 19th-century Neo-Norman fantasy castle. Its construction was funded by fortunes derived from the sugar trade (linked to slavery) and the slate industry. It was also the site of one of Britain's longest industrial disputes, the Great Penrhyn Quarry Strike. Today, it's owned by the National Trust and offers a complex history alongside its opulent interiors and beautiful grounds.

Are the castles around Bangor suitable for families?

Many castles in the area are family-friendly. Beaumaris Castle and Penrhyn Castle are both listed as family-friendly highlights. Padarn Country Park, which includes Dolbadarn Castle, also offers family-friendly activities like walking and exploring lakeside views.

What natural features can I see near the castles around Bangor?

The region offers stunning natural beauty. Near Penrhyn Castle, you can enjoy spectacular views of Snowdonia and the North Wales coast. Padarn Country Park features beautiful lakeside views of Llyn Padarn and Llyn Peris, with vistas towards Snowdon. Castell Aberlleiniog is nestled within a serene woodland nature reserve, offering a tranquil natural setting.

What outdoor activities can I do near these castles?

The area around Bangor is excellent for outdoor activities. You can find numerous hiking trails, such as the 'Britannia Bridge Lions loop' or the 'Menai Suspension Bridge loop'. There are also MTB trails and gravel biking routes available. For more details on routes and their difficulty, you can explore the Hiking around Bangor, MTB Trails around Bangor, and Gravel biking around Bangor guides.

Are there other significant castles in North Wales near Bangor besides those mentioned?

Beyond the immediate vicinity of Bangor, North Wales boasts other impressive castles. Caernarfon Castle, a magnificent medieval fortress and UNESCO World Heritage Site, is located southwest of Bangor. To the east, Conwy Castle, also a UNESCO site, is distinctive for its eight massive towers and intact town walls.

What do visitors enjoy most about the castles around Bangor?

Visitors appreciate the rich history, diverse architecture, and stunning natural settings. Highlights like Beaumaris Castle are praised for their historical significance and military architecture. Castell Aberlleiniog is noted for its atmospheric ruins within a peaceful woodland. The area's castles have garnered over 50 upvotes and 95 photos from the komoot community, reflecting their popularity.

What is the best time of year to visit castles near Bangor?

The late spring and autumn months are particularly pleasant for visiting. In late spring, you might experience the scent of wild garlic and birdsong around places like Castell Aberlleiniog. Autumn offers beautiful arrays of leaf colors, enhancing the scenic beauty of the castle surroundings.

Is there a 'Bangor Castle' in Northern Ireland, and how does it relate to the castles in Wales?

Yes, there is a Bangor Castle in Bangor, County Down, Northern Ireland. It's a 19th-century country house built in the Jacobethan style, now serving as Bangor City Hall. While it shares the 'Bangor' name, it is geographically distinct and architecturally different from the medieval and Neo-Norman castles found around Bangor, Wales. The site in Northern Ireland has a long history, initially occupied by Bangor Abbey.

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