Step off the lively streets and into a calming place of prayer at Cathedrale Saint-Tugdual de Treguier. You can indulge in a few moments of contemplation here.
This principal church in Treguier is popular with travelers, so make sure it features on your travel itinerary. However, don't end your sightseeing there. There are a lot more spots waiting for you to appreciate after Cathedrale Saint-Tugdual de Treguier. Le gouffre de Plougrescant, Chateau de la Roche-Jagu, and Trestel Beach are close by.