If your trip to Clairvaux-les-Lacs is all booked but your travel itinerary is a little on the empty side, let us give you a few hints and tips.Stop by Grand Lac. It's one sight you'll find on many visitors' to-do lists. If you still have some space on your itinerary, Foret de la Joux and Musée des Machines à Nourrir et Courir le Monde will keep you entertained too.