TheFork users who ate in Cergy have said really good things about LE MILLÉSIME DU PORT, Le Petit Bistrot de LuCy and Aux Petits Oignons. Maybe you should give them a try!
Some of the more popular Traditional cuisine restaurants where you can go with your pets in Cergy according to TheFork users include:
LE MILLÉSIME DU PORT, with a 9.5 rating
Aux Petits Oignons, with a 8.5 rating
Ô Chalet, with a 9.3 rating