The region is characterized by the presence of natural caves and galleries that can be visited especially during summer. The GSMM (Speleological Group of Massa Marittima) organizes guided tours in collaboration with the Cooperative Colline Metallifere.
The GSMM is part of Speleological Federation of Tuscany and its activities have to object of promoting research and protecting the local heritage.
It is through such educational activities that people understand how important our heritage is and support research at the same time.
Some of the most famous galleries and caves are:
The Abundancy Springs’ galleries
The Fortress’ Gallery
More info on the GSMM website: www.gsmmspeleo.it
Speleological Federation of Tuscany: www.speleotoscana.it