What is The Lubyron Mountains/ Lubyron valley?

This area known as the Vaucluse encompasses several villages. The Lubyron Mountains reach an altitude of 3,500 feet and run for forty miles to the west and east. This is where the Mayles' home is located. Many grapes are harvested here, as well as melons and other fruits and vegetables, herbs and mushrooms. This is also an area where the fall hunting season takes place.