The ArcoLuna Mansion has a peculiar cave-room in the rock of the Labro hill: it was build one millenium ago for military purposes when Labro was an important fortress; the cave is approximately 35 m. long and up to 25 deep.

Today the cave is employed as cellar of the ArcoLuna mansion in order to genuinely  preserving foods and ingredients at the constant temperature of 14°C.

In a niche there is a romantic dining room for intimate guests.