Saint Derfel Gadarn (Derfel the Mighty) | |
|---|---|
| Born | c. 466 |
| Died | 6 April 560 Bardsey Island, Wales |
| Venerated in | Eastern Orthodox Church Roman Catholic Church Anglican Communion |
| Major shrine | Llandderfel, Gwynedd |
| Feast | 5 April |
Derfel, known as Derfel Gadarn ([c]adarn: "mighty, valiant, strong"), was a 6th-century Celtic Christian monk regarded as a saint. Local legend holds that he was a warrior of King Arthur.