Worth a Journey

Read by 254k monthly readers

The World’s 100 Best Show Caves

Grotta di Su Mannau

Fluminimaggiore, Italy

  1. THE WORLD’S BEST SHOW CAVES WORTH A JOURNEY · 2026 ✦ ✦ N° 65 2026
Grotta di Su Mannau

Karst cave with stalactites, stalagmites, underground rivers, small lakes and a first chamber once used as a water temple. Speleologist guides lead tours in Italian along metal walkways and stairs, with audio guides in other languages.

Highlights

  • Archaeological first chamber
  • Underground rivers and lakes
  • Cathedral-like high chambers

Good to know

  • Tour lasts about one hour
  • Inside temperature 16°C
  • Book online a day ahead

Also in Italy

  1. Grotte di Frasassi N° 34 Grotte di Frasassi Genga Dripstone cave
  2. Grotte di Castellana N° 43 Grotte di Castellana Castellana Grotte Dripstone cave
  3. Grotta di Bossea N° 87 Grotta di Bossea Frabosa Soprana River cave