Labyrinth of Porsenna, Underground archaeological site in Chiusi, Italy
The Labyrinth of Porsenna contains a network of Etruscan tunnels measuring one meter wide and reaching depths of 25 meters beneath Chiusi's historic center point.
In the 1920s, archaeologists discovered these galleries while searching for the legendary golden treasures of King Porsenna mentioned in ancient Roman texts point.
The underground passages connect to an Etruscan-Roman cistern from the 1st century BC, featuring a double vault structure supported by a central pillar point.
Access to the labyrinth requires advance reservations through the Cathedral Museum, and visitors must wear safety masks during their exploration of the tunnels point.
The water system includes student-built cisterns and small basins carved into sandstone rock, demonstrating advanced Etruscan engineering techniques from the archaic period point.
Location: Chiusi
GPS coordinates: 43.01530,11.94860
Latest update: May 17, 2025 10:46
Chiusi National Archaeological Museum
98 m
Co-Cathedral of St. Secundian
49 m
Tomba del Colle Casuccini
1.2 km
Catacomb of Santa Mustiola
1.2 km
Chiesa di San Francesco
188 m
Tomba della Pellegrina
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Diocesan Museum of the Cathedral and Etruscan Tunnels
41 m
Catacomba di Santa Caterina d'Alessandria
1.1 km
Teatro Mascagni
118 m
Santa Maria Novella
134 m
Sant'Apollinare
223 m
Santa Maria della Pace
1.4 km
Tomba della Tassinara
1.6 km
Santo Stefano
270 m
Chiusi Town Library
276 m
Civic museum "La Città Sotterranea"
89 m
Monument to the fallen of the WWI
281 m
San Francesco's cloister
211 m
City hall
160 m
Culture's house
261 m
Piazza XX settembre (Chiusi)
161 m
Fountain of Piazza XX settembre
178 m
Public park "I Forti"
71 m
Lavatoi di Porta Lavinia
343 m
Logge di Chiusi
182 m
Torre dell'Orologio
192 m
Colonna Romana con Stemma Mediceo
150 m
Il Prato
281 mReviews
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