See www.france-voyage.com. Caught at the foot of the broad Jaudy estuary, Tréguier is by far the pleasantest town on the Côte de Granit Rose out of season. Its historic town centre gathers around place de Martray, where you will find the 13th-15thC Cathédrale de Saint-Tugdual, named for the Welsh monk, Tugwal, who introduced Christianity to the region during the 6thC. On a sunny day, light streams through the cathedral’s modern stained glass windows, casting a kaleidoscope of colours across the granite interior. Great bunches of columns support the transept, and there is a delicate frieze picked out about the Gothic arches in the nave. The grandiose tomb in the north aisle is that of local hero, Saint Yves; there is an entrance to the elegant 15thC cloister in the north transept. Also take a look at the carved beasties and figures decorating the Renaissance choir stalls.

East of the cathedral, rue Renan houses a selection of local craftsmen, and the fine timber-framed Maison Renan, with its decorative scrolls and sagging lintel. It was the birthplace of 19thC philosopher Ernest Renan, who slumps on a plinth in place du Martray.