Marvel at the size of Pontoise Cathedral. Stay for a service if you can or simply take a seat and enjoy a break from the outside world.
Pontoise Cathedral is an ideal place to begin discovering Centre-Ville. This principal church comes recommended by fellow travelers, but it's not the only spot to see here. Allow time for other sights like Essec Business School, Cergy Pontoise Leisure Island, and Castle of Auvers to really experience what the area has to offer.