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Parco Naturale Regionale Valle del Treja

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Protected Area

Identity Card

  • Land Surface Area (ha): 656,00
  • Regions: Lazio
  • Provinces: Roma, Viterbo
  • Municipalities: Calcata, Mazzano Romano
  • Establishment Measures: LR 43 22/09/1982
  • PA Official List: EUAP0442

The Park Statute (PDF - 80Kb)

 

 

The Landscape

The Park landscape is the result of a complex geological history: the valley bottoms are narrow and dominated by more or less steep gorge walls covered by vegetation. In some cases, like in Narce, Pizzopiede, and Monte Li Santi, the vegetation has been reduced by the work of man who, in the past, used the flattest areas for agriculture and stock rearing.
The steep landscape features have contributed to the safeguard of the natural environment: the areas where it has not been possible to work or build on offer the visitor views similar to those enjoyed by our ancestors.

Further information (Italian text)

Fauna

If the environment of Treja Valley is rich in different vegetable associations, the fauna is not as rich as it probably was in the past, not long ago. This is given both to the limited extension of the protected area and to the considerable human presence in the surroundings causing difficult life conditions and difficult movements from one place to another for the most important animals, like mammals.
Among them, the most common are the fox, the hedgehog, the stone marten, the porcupine, the dormouse, and the hazel mouse; although some authors have mentioned the presence of the wolf, there are no recent communications confirming it.

Further information (Italian text)

Flora

Because of the changing climate given to exposure and insolation, the vegetable environment of the Park territory is formed by different vegetation areas as we reach higher altitudes from the valley bottom.
Starting from above, it is possible to distinguish four particular environments: the thermophile woodland, the plains dedicated to agriculture and stock rearing, the mixed woodland, and the wetlands.
Where the climate is warmer and sunnier, like for instance on the slopes outside the ravines, there is the thermophile woodland which, because of its distance from the valley bottom and the watercourses, is formed by species which need little humidity. Among the characteristic plants growing in the driest areas there are the Corneliancherry Dogwood, the Privet, and the Broom. The mixed woodlands are dominated by Hop Hornbeam, Downy Oak, and Flowering Ash, while the undergrowth is characterized by Butcher's broom, Madder, and Cyclamens. In the coolest areas there is a woodland mainly consisting of Downy Oak and Turkey Oak growing together with Smoothleaf Elm, Common Oak, Hazelnut Tree, and Maple.

Further information (Italian text)

Archaeology

Valle del Treja Park is situated in the Falisco territory, whose two main centers were Falerii in the north - today Civita Castellana - and Narce in the south.
The Falisci, active between the 8th and 5th century BC, spoke a language similar to Latin, but they were linked to Etruria by deep political relations. Their economy was based on agriculture and stock rearing.
The art of ceramics was very important, and from the so-called "carmina fescennina" we can infer the merry idea of life they had, characterized by the lightheartedness and delight of the convivial pleasures.
The Falisci struggled hard against the Romans in the territory of the Tiber Valley.

Further information (Italian text)

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