Eager to take a journey into a mysterious subterranean world? Flick on your headlamp and discover what's hiding beneath your feet at Grotte di Onferno.
You'll soon learn why this Gemmano natural underground attraction is a hit with travelers. If you're looking for other things to keep you busy, Montale Tower, Osservatorio Astronomico, and Sanctuary of Madonna di Bonora are in the area as well. They won't take very long to reach from Grotte di Onferno.