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12th-century Welsh castle, 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 Park and Castle 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.

What's on?

What 50 things activities will you tick off on your visit? 

What 50 things activities will you tick off on your visit?

Your very own outdoors explorer will help you complete the 50 coolest outdoor things to do before you're 11¾. See how many you can complete at Dinefwr.

Brand new art gallery

Art at Dinefwr © National Trust

Art at Dinefwr

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 have a different exhibition on every month from some of the best artists in the country. Check out our events page for our listings.

Trails and treks

Put your best foot forward at Dinefwr © NTPL/John Millar

Put your best foot forward at Dinefwr

Get your walking boots on and explore the wonders of Dinefwr on one of our trails. The wildlife trail is bursting with life right now, you'll see the iconic rare breed cattle are grazing the fields again on the cattle trail, and the views and vistas on the Capability Brown walk are ever changing with the seasons.

Hidden House Tours

Coats and boots ready to go in the brushing room © NTPL/John Hammond

Coats and boots ready to go in the brushing room

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 or call on 01558 824512 to book your place.

Wonderful wedding venue

Wedding party in the fountain garden © NTPL/cashiona

Wedding party in the fountain garden

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.

We are Recruiting

Newton House in the winter  © NTPL/National Trust

Newton House in the winter

We're looking for friendly, enthusiastic individuals to join our team and help us showcase just how special our properties really are.

We're currently recruiting a seasonal Visitor Services Assistant/tour guide for Newton House.

For more information email us today.

Stay with us

Penparc cottage on the Dinefwr estate © NTPL/National Trust

Penparc cottage on the Dinefwr estate

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.

Where next?

Underground tour at Dolaucothi © NTPL/Keith Morris

Underground tour at Dolaucothi

There are lots of our special places to visit in Carmarthenshire. Just down the road from Dinefwr, near the village of Pumsaint, is one of our most unique sites Dolaucothi Gold Mines - the only known Roman Gold mine in the UK.

With so many places to visit - not just in Carmarthenshire, but the surrounding counties too - many of our visitors choose to take out a membership.

Top tips

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