Château de Joyeuse Garde

Château de Joyeuse Garde is the site of a castle associated with Arthurian legend. Its ruins in the town of La Forest-Landerneau in Brittany date to the sixth century BCE. It was listed as a historic monument on 6 October 1975.

The castle is the subject of "Joyeuse Garde", an 1859 poem by Algernon Charles Swinburne.