If your trip to Chevreuse is all booked but your travel itinerary is a little on the empty side, let us give you a helping hand.Plan a stop at Masin du Parc Naturel de la Haute Vallee de Chevreuse. It's one attraction you'll usually find on travelers' must-do lists. If you still have room on that travel schedule, Castle of Breteuil and Chateau de Dampierre will keep you on the go as well.