The reserve contains the remains of the ancient city of Crustumerium, once a major rival of early Rome.
The area is home to the 'Casale della Marcigliana', a notable example of a traditional fortified Roman agricultural estate.
Geologically, the park sits on volcanic tufa plateaus typical of the Roman countryside.
It contains significant archaeological burial grounds related to the Latial culture of the Iron Age.
The reserve is part of a larger network of protected areas managed under the 'Natura 2000' ecological network.
Riserva Naturale della Marcigliana is a 4,700-hectare protected area located in the northeastern sector of Rome, functioning as a significant green lung for the city. The landscape is characterized by a mosaic of agricultural fields, holm oak woods, and Mediterranean scrub, maintaining traditional rural Roman land use. The reserve encompasses the archaeological site of Crustumerium, an ancient Latin city dating back to the 8th century BCE. Visitors can observe distinct geological formations known as 'fosse' (gorges) cut by small streams. The park serves as a biological corridor, supporting a diverse ecosystem of wildlife, including wild boar, porcupines, and various bird species. Despite its proximity to the urban center, the area remains largely undeveloped, preserving a rural character that has largely vanished from the immediate Roman periphery. Hiking trails wind through valleys and past historic farmhouses, often referred to as 'casali'. The reserve is managed by the Ente Regionale RomaNatura to balance environmental conservation with sustainable land use.
The elevated vantage points overlooking the archaeological remains of the Crustumerium plateau.
Wear sturdy, closed-toe hiking boots as paths can be uneven and muddy after rain.
Carry adequate water and supplies, as there are no refreshment points within the core of the reserve.
Use a GPS-enabled map, as the trail markings can be sporadic and inconsistent.
Avoid visiting after heavy rainfall due to slippery clay paths; do not attempt to explore ruins without proper signage or authorization.
Stay on marked trails to protect the delicate ecosystem; do not disturb livestock or wildlife; pack out all trash.