Best caves around Mazzano Romano are found within the Treja River valley, an area rich in natural beauty and historical significance. The region is part of the Treja Valley Regional Park, known for its ancient human settlements. These underground structures offer insights into the lives of the Faliscan people and other early inhabitants. Exploring these sites provides a tangible connection to the past.
Last updated: June 2, 2026
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The meri are very deep karst cavities. Easy path to follow. Start from the large Sant'Oreste car park, the one below the road. There are three of them, all close together. On the same path, a little further on, there is the church in the cave of Santa Romana, a beautiful place that deserves to be visited.
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Etruscan necropolis located on the ancient Via Amerina in the municipality of Fabrica di Roma
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The Necropolis of Cavo degli Zucchi is the largest existing Faliscan necropolis. It is suggestive to walk among the tombs dug into the walls of the cut that runs along the road.
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The Cavoni appear very similar to the gorges and are one of the most important examples of the impressive engineering works of the ancient Falisci civilization. The communication routes of this ancient people were dug by hand in the tuff.
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Impressive hand-carved rock paths. 3000 years old!!!
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The Meri del Soratte are wells (three in total) that are connected to each other. Already known in the times of Pliny the Elder, these wells, according to him, are the gateway to the Kingdom of the Underworld.
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The region offers a diverse range of underground sites. You can find ancient hand-dug caves, historical necropolises like the Necropolis of Cavo degli Zucchi, natural karst formations such as the Meri del Soratte Karst Sinkholes, and even rock churches like the Church of Santa Romana.
Yes, the area is rich in historical underground sites. The Treja Valley Regional Park contains hand-dug caves dating back 3,500 years, remnants of continuous human habitation. You can also explore Faliscan necropolises like the Necropolis of Cavo degli Zucchi and the Faliscan Necropolis Cavone of Monte Li Santi, which feature tombs carved into rock.
Beyond human-made structures, the region features natural karst formations. The Meri del Soratte Karst Sinkholes are deep, interconnected karst cavities known since ancient times. The Treja River valley itself is a significant natural landscape where many of these caves are located.
Many of the sites offer an engaging experience for families. The Meri del Soratte Karst Sinkholes are considered family-friendly with an easy path to follow. Exploring the ancient hand-dug caves and necropolises can also be an educational and adventurous outing for children.
The Treja Valley Regional Park and its caves are generally pleasant to visit during spring and autumn when the weather is mild, making outdoor exploration comfortable. Summer can be warm, but the caves offer a cool respite. Winter visits are possible, but check local conditions, especially for paths that might become muddy.
Yes, the caves are often integrated into scenic routes. For example, the Meri del Soratte Karst Sinkholes are accessible via an easy path from the Sant'Oreste car park, which also leads to the Church of Santa Romana. The ancient Faliscan communication routes, like The Cavoni of Nepi, are impressive hand-carved rock paths that can be explored on foot.
The area around Mazzano Romano, particularly within the Treja Valley Regional Park, is excellent for various outdoor activities. You can find numerous routes for gravel biking, mountain biking, and running. For more details on routes, explore guides like Gravel biking around Mazzano Romano, MTB Trails around Mazzano Romano, and Running Trails around Mazzano Romano.
Generally, permits are not required for casual visits to the publicly accessible caves and hiking trails within the Treja Valley Regional Park. However, for specific guided tours or access to restricted areas, it's advisable to check with local authorities or the park management. For general information about the region, you can visit Visit Lazio.
Parking availability varies by site. For instance, when visiting the Meri del Soratte Karst Sinkholes and the Church of Santa Romana, there is a large car park available in Sant'Oreste, below the main road.
Comfortable hiking shoes with good grip are recommended, especially as some paths can be uneven or muddy. Layers of clothing are advisable, as cave interiors can be cooler than the outside temperature. A headlamp or flashlight is also useful for exploring darker sections of some caves.
Many outdoor trails in the Treja Valley Regional Park are dog-friendly, but it's important to keep dogs on a leash and clean up after them. Access to specific cave interiors or historical sites might be restricted for pets, so it's best to check individual site regulations beforehand.
The time required varies greatly depending on the specific cave and your level of interest. Some sites, like the Meri del Soratte Karst Sinkholes, can be explored in an hour or two, especially if combined with a visit to the nearby Church of Santa Romana. Larger necropolises or extensive cave systems might require more time for thorough exploration.
Mazzano Romano, being a charming medieval town, offers local cafes and restaurants where you can find refreshments and meals. While specific establishments are not directly adjacent to every cave site, the town itself provides amenities for visitors before or after their exploration.


Extend your search for the best caves by checking out these guides of the top ones around Mazzano Romano: