If your trip to Sache is all locked in but your itinerary is a little on the empty side, we can give you a few hints and tips.Plan a stop at Cave of Goupillières. It's one sight you'll find on most travelers' must-do lists. Musée Balzac and Musée de l'Osier et de la Vannerie are also a stone's throw away and worth taking the time to see.