The cathedral was built in 14th century. The church is close to Palais des Papes. I would suggest you hold this visit as filler to you real time to enter the Palais des Papes since this is not restricted entrees.
The church visit take only 15 minutes. Not much to see. But it was use by Archbishop of Avignon. The inside has little decoration. It is functional as a church. Not much more. The garden of Rocher des Doms is just next to the cathedral. read more