The Heritage Centre was opened in Capel Seilo in 2003 and offers a wealth of information and fascinating displays about the history of the area, the development of the site to the present day and the history of the Welsh language.
A free exhibition which tells the remarkable story of the quarrying village of Port Nant, the development of the Welsh Language Centre and the history of the Welsh language.
A selection of film and radio clips will bring this thriving quarry village back to life through the memories of people who lived and worked in the area.
An extensive and growing collection of photographs of Nant Gwrtheyrn, feel free to look through our photographic flip-books.
If you are interested in King Gwrtheyrn or Rhys and Meinir, have a look at our myths and legends flip-book.
Especially designed computer games, which test your knowledge of the Victorian housewife’s daily chores, place names on the Llŷn Peninsula and all things Welsh.