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Parco Regionale Valle del Treja

Routes
Hikes
Italy
Lazio
Rome

Parco Regionale Valle del Treja

The best walks and hikes around Parco Regionale Valle del Treja

4.4

(1344)

4,144

hikers

13

hikes

Hiking around Parco Regionale Valle del Treja offers routes through a landscape shaped by ancient volcanic activity and the erosive power of the Treja River. The terrain features deep gorges carved into volcanic tuff, alongside lush vegetation and the river itself. Medieval villages like Calcata and Mazzano Romano are perched on tufaceous cliffs, providing historical points of interest. The park's diverse environment includes mixed forests and riverine habitats.

Best hiking trails around Parco Regionale Valle del Treja

  • The most popular hiking route is Calcata Loop Trail, a 3.5 miles (5.6 km) trail that takes 1 hour 33 minutes to complete. This easy route explores the area around the historic village of Calcata.
  • Another top favourite among local hikers is Tibetan bridge over the Treja River – Calcata Historic Village loop from Calcata, a moderate 5.2 miles (8.4 km) path. This route connects the historic village with the Treja River, offering varied scenery.
  • Local hikers also love the Monte Gelato Waterfalls – Treja River Crossing loop from Treja, a 2.9 miles (4.7 km) trail leading through riverine landscapes and past the Monte Gelato waterfalls, often completed in about 1 hour 15 minutes.
  • Hiking around Parco Regionale Valle del Treja is defined by deep gorges, volcanic tuff formations, and the Treja River valley. The network offers options for different ability levels, from easy strolls to moderate excursions.
  • The routes in Parco Regionale Valle del Treja are highly rated by the komoot community with an average score of 4.4 stars from more than 1000 reviews. More than 3000 hikers have used komoot to explore Parco Regionale Valle del Treja's varied terrain.

Last updated: August 30, 2026

4.5

(32)

76

hikers

#1.

Calcata Loop Trail

5.60km

01:33

100m

90m

Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

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Easy

Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

Easy
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Easy hike. Great for any fitness level. Easily-accessible paths. Suitable for all skill levels.

Easy

Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

Moderate

Moderate hike. Good fitness required. Easily-accessible paths. Suitable for all skill levels.

Moderate
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Popular around Parco Regionale Valle del Treja

Road Cycling Routes around Parco Regionale Valle del Treja

MTB Trails around Parco Regionale Valle del Treja

Cycling around Parco Regionale Valle del Treja

Gravel biking around Parco Regionale Valle del Treja

Running Trails around Parco Regionale Valle del Treja

Tips from the Community

Andrea Righini
August 1, 2025, Calcata Historic Village

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Only gate giving access to the old center of Calcata.

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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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Examples of history at your fingertips to explore on a beautiful sunny day

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Magnificent little houses perched on a tuff spur

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Simple paths and along the river. Relaxing and super fresh. Suitable for everyone

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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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Bridge that allows you to cross the Treja river to change sides

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Frequently Asked Questions

What are the main natural features I'll encounter while hiking in Parco Regionale Valle del Treja?

The park is characterized by its unique geological formations, shaped by ancient volcanic activity and the erosive power of the Treja River. You'll find deep, steep gorges carved into volcanic tuff, lush vegetation, and the river itself, which creates a verdant and shady environment. The famous Monte Gelato Waterfalls are a prominent natural attraction.

Are there any historical or cultural sites to explore along the trails?

Yes, the park is rich in history. You can explore the medieval villages of Calcata Vecchia and Mazzano Romano, perched dramatically on tufaceous cliffs. The area also holds traces of ancient Faliscan civilization, with archaeological sites like Narce and Monte Li Santi, and the ancient Via Amerina passing through the valley.

Are there family-friendly hiking options in Parco Regionale Valle del Treja?

Yes, the park offers several easy routes suitable for families. For example, the Monte Gelato Waterfalls – Treja River Crossing loop from Treja is an easy 4.7 km (2.9 miles) trail that takes about 1 hour 15 minutes, perfect for a leisurely outing to see the waterfalls.

Can I hike with my dog in Parco Regionale Valle del Treja?

Generally, dogs are welcome on trails in Parco Regionale Valle del Treja. However, it's always recommended to keep them on a leash, especially in areas with wildlife or near historical sites, and to check for any specific local regulations or protected areas within the park where restrictions might apply.

What is the best time of year to hike in Parco Regionale Valle del Treja?

The mild spring and autumn months are ideal for hiking in Parco Regionale Valle del Treja. During these seasons, the foliage is vibrant, and the temperatures are pleasant, making for a comfortable and scenic experience. Summers can be warm, but the riverine areas offer shade.

Are there circular hiking routes available?

Yes, many of the trails in Parco Regionale Valle del Treja are designed as circular routes. For instance, the Calcata Loop Trail is an easy 5.6 km (3.5 miles) circular route exploring the area around the historic village of Calcata.

What are the typical difficulty levels and lengths of hikes in the park?

The park offers a range of trails suitable for various abilities. You'll find easy strolls, such as the 4.7 km (2.9 miles) Monte Gelato Waterfalls – Treja River Crossing loop from Treja, as well as moderate excursions like the 8.4 km (5.2 miles) Tibetan bridge over the Treja River – Calcata Historic Village loop from Calcata. There are no difficult routes listed in this guide.

What do other hikers enjoy most about hiking in Parco Regionale Valle del Treja?

The area is highly rated by the komoot community, with an average score of 4.4 stars from over 1000 reviews. Reviewers often praise the unique landscapes, the combination of natural beauty with historical villages like Calcata, and the picturesque Monte Gelato Waterfalls.

Is parking available for hikers near the trailheads?

Yes, parking is generally available near the main access points and villages like Calcata and Mazzano Romano, which serve as starting points for many trails. It's advisable to check specific village parking regulations or designated hiker parking areas upon arrival.

Are there any other notable attractions besides the waterfalls and villages?

Beyond the Monte Gelato Waterfalls and the charming villages of Calcata Vecchia and Mazzano Romano, you can also visit the Tibetan bridge over the Treja River, which offers a unique crossing experience. The park also features ancient Faliscan archaeological sites.

How many hiking trails are there in Parco Regionale Valle del Treja?

There are over 10 hiking routes available in Parco Regionale Valle del Treja, offering a variety of experiences from easy strolls to moderate excursions through the park's unique landscape.

Most popular routes around Parco Regionale Valle del Treja

Waterfall hikes around Parco Regionale Valle del Treja

Most popular attractions around Parco Regionale Valle del Treja

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