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National Nature Reserve, historic house and 18th-century landscape park, enclosing a medieval deer park
A magical land of power and influence for more than 2,000 years, Dinefwr is an iconic place in the history of Wales. Two forts are evidence of a dominant Roman presence. The powerful Lord Rhys held court at Dinefwr and influenced decisions in Wales.
The visionaries, George and Cecil Rice designed the superb 18th-century landscape that you see today.
The 'hands-on' Newton House gives visitors an atmospheric circa 1912 experience. Exhibitions on the first floor tell Dinefwr's story and inspire visitors to explore the castle and park.
“If you take a handful of the soil of Dinefwr and squeeze it in your hand, the juice that will flow from your hands is the essence of Wales.” Wynford Vaughan Thomas
Dinefwr Castle is owned by the Wildlife Trust and managed by Cadw
We've got a full list of events running throughout the year at Dinefwr. A visit to us this season will be unlike any other. As well as some breathe-taking nature spectacles like the fallow deer rut we're also putting on FREE guided tours with our experts and launching some brand new trails. There's loads of family activities designed to get you and the gang out and about on our estate or exploring the hidden passages of Newton House - one of the most haunted National Trust houses in the UK.
Go behind the scenes
If you're visiting Newton House, a guided hidden house tour of our 17th-century mansion is a must. You can go behind the scenes to places not usually available to public view. Hear all the upstairs-downstairs gossip and enjoy some breathtaking views from the roof. Go to the Visitor Centre on arrival to book your place.
Brand new art gallery
We've opened a new area of Newton House that was previously closed to visitors and thought it was the perfect place for an art gallery. We've a different exhibition on every month from some of the best artists in the country. Check out our events page for our listings.
Wonderful wedding venue
Get married in a land steeped in Welsh history and tradition. Newton House is nestled within an 800-acre countryside estate and can cater for ceremonies and civil services of up to 90 guests. The backdrop of Dinefwr Castle or the medieval deer park make fantastic photographs. We could even arrange for the ancient breed of White Park Cattle to make an appearance behind the happy couple on request.
Stay with us
Carmarthenshire is known as the garden of Wales, so there's no surprise it's a popular holiday destination for those wanting to take a relaxing break and enjoy some of the most spectacular coast and countryside in the UK.
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We love to experience Dinefwr from your perspective