Castle built atop a Fortress - Château de Brézé - Bellevigne-les-Châteaux, France - Beneath its foundation lies one of Europe's largest underground fortress - Connected by more than 3 kms of tunnels

The underground parts and tunnels inside the moat of this castle are amazing - Review of Chateau de Breze, Breze, France - Tripadvisor

This Medieval French Castle Is Hiding Almost Two Miles Of Secret Tunnels (& You Can Visit Them)

8 Beautiful Castles in France That You Can Visit - AFAR

The underground fortress at Château de Brézé

Castle built atop a Fortress - Château de Brézé - Bellevigne-les-Châteaux, France - Beneath its foundation lies one of Europe's largest underground fortress - Connected by more than 3 kms of tunnels

Château de Brézé - France Travel Info France Travel Info

The underground fortress at Château de Brézé

Chateau Breze

Castle built atop a Fortress - Château de Brézé - Bellevigne-les-Châteaux, France - Beneath its foundation lies one of Europe's largest underground fortress - Connected by more than 3 kms of tunnels

Château de Breze, France. Because why not dig 3km of tunnels under your glorious moated Château?

Loire castle France with underground - ䷞ CHATEAU DE BREZE - Saumur wine

The Underground Mysteries of Château de Brézé

Loire Castle France - ䷞ CHATEAU DE BREZE - Saumur wine

Chateau Breze

Chateau Breze