If your trip to Grandvillard is all locked in but your itinerary is a little on the empty side, we can give you a few hints and tips.There's nothing better than visiting new places. While you're in the area, Castle of Gruyeres and Maison Cailler Swiss Chocolate Factory ought to be among them. If you still have tons of energy and space on that itinerary, Chateau d'Oex Ski Resort is also whispering your name.