The country house Poggio alle Fonti is with in the Valley of Hell where is located the Oasi di Bandella Natural Reserve, located along the stretch of Valdarno. The Nature Reserve of the Valley of Hell and Bandella is a protected natural area that develops in the basin of the hydroelectric plant of Levane built in the '50s. To visit the reserve it is possible to follow the precise itineraries, but it is especially recommended to go into with a specialized and professional guide.

With the support of professional and specialized guides you can visit the reserve Bandella following some trails on foot or by boat.

- Route 1 on foot. One of the routes starts from the resort The Plan. It has a length of about 5 km with a duration of about 2 hours. The route through the western part of the Oasi di Bandella Nature Reserve is fairly simple, and takes place largely on forest trails and dirt roads. It is a very nice trail that allows you to see the main rooms of the Reserve, being able to observe waterfowl and deer. The overlooking of the meadows and the river are spectacular.

- Route 2 on foot. Another interesting walking route is the one that starts from Monticello. It is a distance of approximately 5 km suitable mainly for birdwatchers. This route offers an unusual profile of the River Arno, the discovery of the geological history of the Upper Valdarno, a land rich in stories and memories that has seen a succession of historical events of a very active population in agricultural activities and in the mining basins lignitiferi.

- Route 3 by boat. Another way to visit Oasi di  Bandella is cruising along the stretch of the river Arno. The boat tour runs along the river for about 4.5 km in the direction of the dam, passing under the spectacular Viaduct Romita.