Cetine is situated in the hills around Siena, in an area with a big natural, historical and geomineralogical importance.
The antimon mine, abandoned fo over 50 years, it's still famous for the peculiar minerals found only here. In the medieval village of Chiusdino, there is a little museum about the history of the mine and Siena university is preparing guided tours.
The area is rich of paths and tracks that you can discover by mountainbike, riding a horse or simply going for a walk, you'll see castles, old villages and pure nature. You can also find a swimming pool at two km distance.
In the rivers Merse (at 10 km) and Farma (at 35 km) you can bathe in clear water.