





What was the purpose of the countless underground passages dug beneath the city over the centuries? Descend to discover a rich past that combines history, legends and geology.
- 30-minute tour
- Registration and advance payment required at the Tourist Office, by telephone or on our website.
- Meeting point will be communicated upon reservation
- 30-minute tour
- Registration and advance payment required at the Tourist Office, by telephone or on our website.
- Meeting point will be communicated upon reservation
Rates
Rates
Basic price - full adult price
From 4€
Free of charge
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Payment methods
Payment methods
Payment methods



Opening times
Opening times
On 21 June 2025
- 16:00 at 16:30
On 5 July 2025
- 16:00
- 17:00