In the subsoil of Canelli there are the so-called Underground Cathedrals, kilometers of tunnels and tunnels dug into the tufa of the hills between the sixteenth and nineteenth centuries, recognized as World Heritage by UNESCO on 22 June 2014.
These spaces still conserve the right temperature and humidity to refine fine wines and sparkling wines.
There are four Underground Cathedrals that can currently be visited on the occasion of the main Canelli events.
4th weekend of June - Canelli - Città del vino
4th weekend of September - Harvest Festival
2nd Sunday of November - Regional Truffle Fair
The Underground Cathedrals can also be visited by appointment directly by contacting the cellars or the Enoteca regionale di Canelli e dell'Astesana with at least two days notice.