The port carried on fishing and a coasting and small foreign trade. Religious festivals Tro Breizh (Breton for "Tour of Brittany") is a Catholic pilgrimage that links the towns of the seven founding saints of Brittany, including Tréguier, Saint Tudwal's town. The Pardon of Saint Yves is a major event. As Yves is patron saint of the legal profession, it attracts Catholic lawyers and judges from all over the world. Personalities Tréguier was the birthplace of: Ernest Renan (1823–1892), philosopher, biblical scholar, and historian of religion. Ernest Hello (1828–1885), critic and writer. Hervaeus Natalis (c. 1260–1323), 14th Master General of the Dominicans. Joseph Savina (1901–1983), designer and sculptor, lived and worked here. See also Ancient Diocese of Tréguier Communes of the Côtes-d'Armor department The Calvary at Kergrist-Moëlou References Eric Keraudren & Luc Corlouër, Northern Tregor in the past, 2022, Éditions le Cormoran, book 140 pages, 120 pictures. External links Tourism office website Town council website Pictures of Tréguier Cathedral: , , , Communes of Côtes-d'Armor Port cities and towns on the French Atlantic coast Counts of Tréguier