If your trip to Saint-Ouen is all organized but your itinerary is looking a bit empty, we can give you a few hints and tips.Not too far from the city center, Château de Vendôme is one attraction you might like to consider putting on your must-see list. If you still have room on your travel itinerary, Parc Naturel Regional du Perche and Theatre de l'Aparte will keep you busy too.