Country houses in Wales

medieval fortress in Wrexham County Borough, Wales

castle in Tongwynlais, Cardiff, Wales, UK

castle in Denbighshire, Wales

Elizabethan manor house in St Fagans, Cardiff, Wales

Grade I listed fortified manor house in Penrice, Swansea, Wales, UK

Grade I listed castle in Denbighshire, Wales, UK

Grade I listed building in Conwy County Borough

castle in Penrice, Swansea, Wales, UK

country house in Llandygái, Gwynedd, Wales

country house in Pembrokeshire, Wales, UK

manor house and mock castle in Caerphilly County Borough, Wales, UK

castle in the UK

country house in Neath Port Talbot County Borough, Wales

arboretum in Conwy, Wales

fortified manor house in the Vale of Glamorgan, Wales, UK

Grade I listed building in Conwy County Borough

castle in Swansea, Wales, UK

castle near Fonmon, Vale of Glamorgan, Wales

Grade I listed country house in Flintshire, Wales

Grade I listed building in Conwy County Borough.

country house in Newport, Wales

Grade I listed building in Merthyr Tydfil. Mansion in Wales, UK

grade II* listed country house in Gwynedd, Wales

18th-century house in Hawarden, Wales

Treowen (or Tre-owen) is an early 17th-century house in Monmouthshire, Wales, regarded as "the most important gentry house (of its date) in the county". It is located in open countryside within the parish of Wonastow, about ½ mile (1 km) north-east of the village of Dingestow, and south-west of Monmouth. After being used as a farmhouse for three centuries, Treowen now operates as a conference and functions venue and holds the annual Wye Valley Chamber Music Festival. It is a Grade I listed building, and its gardens are designated Grade II on the Cadw/ICOMOS Register of Parks and Gardens o