The nature reserve, surrounded by cultivated fields, in the middle of the Pisan hills, includes entirely an artificial lake, made by Solvay Italy in the 1960s, as a water basin for fire prevention.
In winter the lake is inhabited by different species of ducks and in the summer - the best period for a visit - you can observe the nightingale, the kestrel some migratory birds like the heron.
The oasis offers a didactic-environmental workshops and guided hikes for scholars and groups.