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Gwynedd

Gwynedd is a scenic mountainous county in north-west Wales encompassing Snowdonia National Park, historic castles, and a strong Welsh-speaking community, offering a rich blend of nature, culture, and history.

Rhuddlan Castle

Castell Rhuddlan is a historically significant Edwardian castle featuring a unique concentric design with twin-towered gatehouses and a deep moat, located by the River Clwyd. Visitors can explore the extensive outdoor grounds, learn about medieval military engineering, and enjoy facilities including a gift shop and refreshments. The site is accessible, child-friendly, allows dogs on short leads, and offers seasonal open times with admission charges.

castle historic-town garden
free outdoor dog-friendly wheelchair-accessible food-available child-friendly cadw.gov.wales
cadw.gov.wales en.wikipedia.org en.wikipedia.org

Caer Lêb

Caer Lêb is an archaeological site on Anglesey featuring Roman and mediaeval earthwork fortifications and evidence of historic buildings. Visitors can explore the low-lying earthworks and surrounding landscape near the Afon Braint river, with parking nearby and free public access.

prehistoric roman
dog-friendly free outdoor cadw.gov.wales
cadw.gov.wales en.wikipedia.org

Caer Gybi (fort)

Caer Gybi is a historic Roman fortlet in Holyhead, Anglesey with surviving defensive walls and towers, notable for its naval base history and the adjacent St Cybi's Church on the site.

roman historic-town nature-reserve
dog-friendly wheelchair-accessible free outdoor cadw.gov.wales
cadw.gov.wales en.wikipedia.org

Ysbyty Ifan

Ysbyty Ifan is a small historic village in Conwy, Wales, known for its medieval Knights of St John hospital and its location on ancient pilgrimage routes. The area features a large National Trust estate with natural moorlands and river valleys, ideal for walking and outdoor activities. The village also offers amenities such as a primary school, rugby pitch, and children's playground, reflecting a family-friendly community.

nature-reserve country-park hill-walk riverside-walk woodland farm-park historic-town garden
dog-friendly free outdoor child-friendly www.nationaltrust.org.uk
www.nationaltrust.org.uk en.wikipedia.org

Harlech Castle

Castell Harlech is a spectacular Edward I coastal castle in North Wales set on a rocky crag with classic defensive walls and a unique floating footbridge entrance. Visitors can explore historic battlements, enjoy scenic views of Snowdonia, visit an on-site exhibition, and access amenities including a gift shop and café.

castle historic-town
outdoor dog-friendly food-available cadw.gov.wales
cadw.gov.wales en.wikipedia.org

Located in Harlech

Harlech is a picturesque seaside resort in Gwynedd, Wales, known for its historic medieval castle, scenic coastal beach, and unique steep residential street. It offers cultural heritage, outdoor activities, and Welsh language traditions within Snowdonia National Park.

en.wikipedia.org

Plas Newydd (Anglesey)

Plas Newydd is a historic Neo-Classical country house in Anglesey set within Grade I listed gardens and parkland, offering visitors both indoor museum experiences and outdoor scenic walks with views over the Menai Strait and Snowdonia. The house features significant art, including the largest mural by Rex Whistler, and a military museum. The estate also contains prehistoric burial chambers and extensive historic buildings, and is managed by the National Trust.

stately-home garden woodland nature-reserve museum
dog-friendly wheelchair-accessible food-available child-friendly indoor outdoor www.nationaltrust.org.uk
www.nationaltrust.org.uk en.wikipedia.org

Cemlyn

Cemlyn Bay and lagoon is a protected natural site in Anglesey, North Wales, known for its brackish lagoon, important tern breeding colony, and rich maritime plant communities within a designated Area of Outstanding Natural Beauty.

nature-reserve waterfall beach
free outdoor dog-friendly www.nationaltrust.org.uk
en.wikipedia.org www.nationaltrust.org.uk

Tŷ Mawr Wybrnant

Tŷ Mawr Wybrnant is a small historic house museum in North Wales, known as the birthplace of William Morgan, the first translator of the Bible into Welsh. Visitors can explore the restored 16th-century cottage and view a unique collection of Welsh Bibles.

stately-home garden historic-town nature-reserve hill-walk woodland museum
dog-friendly wheelchair-accessible indoor outdoor www.nationaltrust.org.uk
www.nationaltrust.org.uk www.nationaltrust.org.uk en.wikipedia.org

Segontium

Segontium is a Roman fort located on the outskirts of Caernarfon in Gwynedd, North Wales, dating from AD 77-78. Visitors can explore extensive ruins of the stone fort including remains of the commander's house and bath house, with historical significance as a Roman military site defending the north Wales coast.

roman historic-town museum castle
dog-friendly free outdoor cadw.gov.wales www.nationaltrust.org.uk
cadw.gov.wales cadw.gov.wales en.wikipedia.org

Located in Caernarfon

Caernarfon is a royal town and community in Gwynedd, Wales, known for its medieval castle and town walls, rich history, and vibrant cultural and food festivals. Located on the Menai Strait opposite Anglesey, it offers a walkable historic centre with museums, shopping, and dining.

en.wikipedia.org

Plas yn Rhiw

Plas yn Rhiw is a historic early 17th-century Tudor/Georgian manor house with terraced gardens and extensive woodland located in Gwynedd, Wales. Visitors can explore both the carefully restored indoor manor and the outdoor gardens and woodlands with scenic coastal views, embodying centuries of Welsh history.

stately-home garden woodland nature-reserve country-park
dog-friendly food-available child-friendly indoor outdoor www.nationaltrust.org.uk
www.nationaltrust.org.uk en.wikipedia.org

Bodnant Garden

Bodnant Garden is a large National Trust hillside garden in Conwy, Wales, renowned for its extensive plant collections, historic terraces, woodland areas, and the longest Laburnum arch in the UK. Visitors can explore formal gardens, riverside areas, and woodland with a variety of rare plants and trees.

garden woodland nature-reserve
dog-friendly wheelchair-accessible food-available child-friendly indoor outdoor www.nationaltrust.org.uk rhs.org.uk
www.nationaltrust.org.uk www.rhs.org.uk en.wikipedia.org

Aberconwy House

Aberconwy House is a 15th century medieval merchant's house in Conwy, Wales, notable as one of the oldest dateable houses in the country. It is a Grade I listed building managed by the National Trust and operates as a museum showcasing timber-framed vernacular architecture.

stately-home historic-town museum garden
dog-friendly indoor outdoor www.nationaltrust.org.uk
www.nationaltrust.org.uk en.wikipedia.org

Dyfi Furnace

Dyfi Furnace is a restored 18th century charcoal-fired blast furnace in Ceredigion, Wales, situated near a waterfall on the River Einion. It showcases historical industrial heritage with an original waterwheel and offers an outdoor heritage experience of iron smelting history.

working-heritage waterfall viewpoint
dog-friendly free outdoor cadw.gov.wales
cadw.gov.wales en.wikipedia.org

Caer y Twr

Caer y Twr is an ancient Iron Age hillfort located on Holyhead Mountain in Anglesey, Wales, featuring visible stone ramparts, the remains of a historic tower, and nearby ancient enclosed huts, offering visitors a scenic outdoor historical site.

prehistoric hill-walk
dog-friendly free outdoor cadw.gov.wales
cadw.gov.wales en.wikipedia.org

Criccieth Castle

Castell Cricieth is a historic coastal castle ruin in Wales, built by notable Welsh princes and offering dramatic views over Cardigan Bay. Visitors can explore the outdoor ruins, enjoy exhibitions within the monument, and experience a scenic coastal visit with access to the castle grounds. Dogs on short leads are welcome, but the terrain is moderately challenging with steep steps and uneven surfaces.

castle historic-town museum garden
outdoor dog-friendly cadw.gov.wales
cadw.gov.wales en.wikipedia.org

Located in Cricieth

Criccieth is a picturesque seaside town in Gwynedd, Wales, known for its historic castle ruins, sandy beaches, annual fairs, and rich Welsh culture, offering a walkable town centre and scenic coastal experiences accessible by train and local public transport.

en.wikipedia.org

Dolbadarn Castle

Castell Dolbadarn is a historic Welsh castle located in Snowdonia's Llanberis Pass, featuring a distinctive round tower and situated overlooking Llyn Padarn. Visitors can explore the outdoor site year-round, with access paths that include steps and natural terrain.

castle
outdoor dog-friendly free cadw.gov.wales
cadw.gov.wales en.wikipedia.org

Cymer Abbey

Cymer Abbey is a historic ruined Cistercian abbey near Llanelltyd, Gwynedd, Wales, featuring substantial remains of the medieval church and monastic buildings, set in a scenic riverside location and open to the public for outdoor exploration.

castle historic-town nature-reserve
dog-friendly wheelchair-accessible free outdoor cadw.gov.wales
cadw.gov.wales en.wikipedia.org

Caernarfon Castle

Caernarfon Castle is a medieval fortress in Gwynedd, Wales, built largely in the late 13th century by Edward I as an administrative center and symbol of authority. It features extensive high medieval fortifications, polygonal towers, and is part of a UNESCO World Heritage Site. The castle is a major historic attraction with significant outdoor exploration of its walls and towers.

castle museum historic-town garden stately-home
dog-friendly wheelchair-accessible food-available child-friendly indoor outdoor cadw.gov.wales
cadw.gov.wales cadw.gov.wales en.wikipedia.org

Pont Minllyn

Pont Minllyn is a 17th-century packhorse bridge in Gwynedd, Wales, recognized as a Grade II listed building and scheduled monument. Visitors can view this historic stone bridge spanning the River Dyfi from nearby footbridges and platforms, highlighting its architectural delicacy and historical significance.

historic-town nature-reserve riverside-walk
dog-friendly free outdoor cadw.gov.wales
cadw.gov.wales en.wikipedia.org

External links

  • gwynedd.llyw.cymru
Last update: 6 August 2026
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