Grotta di San Giovanni, Natural cave in Domusnovas, Italy.
The cave extends through 3920 meters of passages, with the main tunnel spanning 850 meters that previously served as a road connecting valleys.
Archaeological findings within the cave include pottery and artifacts from the Neolithic period, indicating its use as a shelter during ancient times.
The cave holds religious importance with a former Byzantine chapel and current commemorative church dedicated to Saint John near the southern entrance.
Visitors can join guided tours at scheduled times during weekends or opt for autonomous exploration on weekdays between 10:30 and 16:30.
This geological formation stands as the longest carriage cave in Italy and one of only seven such caves worldwide.
Location: Domusnovas
Address: 09015 Domusnovas SU
GPS coordinates: 39.33722,8.62753
Latest update: March 8, 2025 12:04
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