Best attractions and places to see around Parco Regionale Valle del Treja, located in Lazio near Rome, offers a blend of natural beauty and historical sites. The park is characterized by the Treja River, which carves deep tuff gorges, and features the picturesque Monte Gelato Waterfalls. Visitors can explore medieval villages like Calcata and Mazzano Romano, along with ancient Faliscan settlements. This region provides a diverse landscape for exploration, combining geological formations with cultural heritage.
Last updated: May 11, 2026
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For those arriving at Calcata Vecchia and wanting to descend into the Treja Valley, I strongly advise against taking the marked path that is not on the road: it is a pedestrian descent that can only be done with a bike in hand, and not even easily. Descend following the main asphalt road.
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At the foot of the hill of Monte Li Santi, a few metres from the course of the Treja, the ruins of some structures built of square blocks of tuff appear: they are the ruins of the ancient sanctuary of “Monte Li Santi – Le Rote”. Since 1985, this archaeological site has provided evidence that there was an important temple here, which was constantly visited from the 6th to the 2nd century BC and was dedicated to fertility, childbirth and married life in general. During the excavations, more than 300 painted masks, numerous terracotta heads and a surprising series of iron keys and skewers were found. The artefacts were then housed in the laboratory of the Museo Civico Archeologico-Virtuale di Narce (MAVNA) in Mazzano Romano, where they are currently on display. It was an ancient custom to create cemeteries along roads and around inhabited areas of large cities. The necropolis of Monte Li Santi in Cavone is located directly along a major road cut into the tuff, a “cava” road, from which the name “Cavone” may derive. The necropolis was probably in use since the middle of the 7th century BC, as evidenced by a pit tomb found during the first excavations at the end of the 19th century. The peak of use was between the 6th and 4th centuries BC, when numerous chamber tombs with rock facades (sculpted in tuff) were created. The tombs generally have a small antechamber and a main chamber with niches dug into the wall, which were closed with tiles after the burial of the deceased. A recent project has reopened three burial chambers with decorated entrances.
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Beautiful waterfalls found on the Via Francigena between Sutri and Campagnano di Roma... it's a shame that their waters are particularly polluted.
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For the landscapes and also the roads, which however, at least for the part of the Province of Rome, should be maintained a little more (asphalt at times too ruined).
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Cascata di Monte Gelato, located in the Parco Regionale Valle del Treja (Treja Valley Regional Park), is a captivating natural wonder in the Lazio region of Italy. It consists of a series of small waterfalls along the Treja River. Some of these falls are natural, while others have been shaped by human intervention. The constant flow of water over layers of volcanic rock has sculpted these picturesque waterfalls for millennia
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The ancient village of Calcata is hidden among the Tuscia hills, inserted in the Treja valley park. Mystical place, worth a visit.
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they are very suggestive waterfalls a stone's throw from Rome
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beautiful village in the old part
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The park is characterized by its unique geological formations, primarily the deep "forre" or tuff gorges carved by the Treja River. The most prominent natural highlight is the Monte Gelato Waterfalls, where the Treja River cascades over volcanic tuff. The river itself, with its lush riparian vegetation, is a central feature, creating a diverse ecosystem.
You can explore two charming medieval villages. Historic village of Calcata is perched dramatically on a tuff block overlooking the valley, offering a timeless atmosphere. Another notable village is the Historic centre of Mazzano Romano, which also retains its medieval structure and overlooks the Treja Valley.
Yes, the valley is rich in archaeological evidence of the ancient Faliscan civilization. Important centers like Narce, Monte li Santi, and Pizzopiede feature remains of necropolises and ancient communication routes. The historic Via Amerina, an ancient Roman route, also passes through the area.
The park boasts a rich biodiversity. You might spot mammals such as foxes, hedgehogs, dormice, porcupines, and wild boars. Birdlife is also abundant, including raptors like peregrine falcons and buzzards, as well as woodpeckers, robins, and nightingales, especially along the Treja River.
The park is ideal for various outdoor activities. Hiking is very popular, with numerous tranquil trails along the Treja River and through woodlands. You can also find routes for cycling and road cycling. For specific routes, you can explore guides like Cycling around Parco Regionale Valle del Treja or Road Cycling Routes around Parco Regionale Valle del Treja.
Yes, the park offers several easy hiking trails perfect for families and beginners. For example, the Calcata Loop Trail and routes around the Monte Gelato Waterfalls are popular choices. You can find more options in the Easy hikes around Parco Regionale Valle del Treja guide.
The Tibetan bridge over the Treja River is a unique and enchanting crossing that offers a different perspective of the river and its surroundings. It's considered a must-see spot within the park for its scenic views and simple, engaging path.
The park is beautiful year-round, but spring and autumn offer particularly pleasant weather for hiking and exploring, with lush greenery in spring and vibrant foliage in autumn. Summer can be warm, but the shaded areas around the Treja River and waterfalls provide a refreshing escape.
Beyond the medieval villages, you can find other historical structures such as the remains of the 16th-century Church of San Nicola di Bari in Mazzano Romano. The Mola di Monte Gelato, near the waterfalls, also preserves evidence of various settlements from prehistoric to Roman times, including an ancient watermill.
Visitors particularly appreciate the blend of natural beauty and historical charm. The picturesque Monte Gelato Waterfalls are a favorite for their peaceful setting, while the Historic village of Calcata is loved for its unique atmosphere and access to trails. The scenic views and tranquil environment are consistently highlighted by the komoot community.
Yes, the park offers designated areas perfect for picnicking. The shaded environment around the Monte Gelato Waterfalls and along the Treja River are particularly popular spots for a relaxing break amidst nature.


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