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Routes
MTB trails
Italy
Lazio
Viterbo

Riserva Naturale Regionale Valle Dell'Arcionello

Routes
MTB trails
Italy
Lazio
Viterbo

Riserva Naturale Regionale Valle Dell'Arcionello

The best MTB trails in Riserva Naturale Regionale Valle Dell'Arcionello

4.3

(264)

2,351

riders

206

rides

Riserva Naturale Regionale Valle Dell'Arcionello mountain bike trails navigate a diverse landscape characterized by a volcanic gorge carved by the Fosso Urcionio, featuring steep peperino walls. The region is dominated by Monte Palanzana, an 802-meter volcanic peak offering panoramic views. Dense forests of beech and oak trees cover the mountain slopes, while remnants of industrial archaeology, such as the Palanzana Aqueduct and old mills, add historical interest to the routes. This varied terrain provides a dynamic environment for mountain biking.

Best mountain bike trails in Riserva Naturale Regionale Valle Dell'Arcionello

  • The most popular mountain bike trail is Viterbo, Monti Cimini, and Lake Vico Loop, a 39.3 miles (63.2 km) trail that takes 6 hours 2 minutes to complete, offering extensive views across the Monti Cimini and Lake Vico.
  • Another top favourite among local mountain bikers is View of Lake Bolsena – Cassia Antica Stone Path loop from Viterbo, a moderate 25.8 miles (41.5 km) path. This route provides scenic views of Lake Bolsena and follows sections of the historic Cassia Antica.
  • Local mountain bikers also love the View of Lake Bolsena – View of Lake Bolsena loop from Viterbo Porta Fiorentina, a 30.7 miles (49.4 km) trail leading through varied terrain with consistent views of Lake Bolsena, often completed in about 4 hours 5 minutes.
  • Mountain biking in Riserva Naturale Regionale Valle Dell'Arcionello is defined by volcanic gorges, dense woodlands, and panoramic crests. The network offers options for various ability levels, from moderate paths to more challenging ascents.
  • The routes in Riserva Naturale Regionale Valle Dell'Arcionello are highly rated by the komoot community with an average score of 4.4 stars from over 350 reviews. More than 3000 mountain bikers have used komoot to explore Riserva Naturale Regionale Valle Dell'Arcionello's varied terrain.

Last updated: July 8, 2026

5.0

(5)

52

riders

#1.

Calvario Ascent Trail – Ancient Tree loop from Viterbo

25.8km

02:22

590m

600m

Hard mountain bike ride. Good fitness required. Advanced riding skills necessary. Some portions of the route may require you to push your bike.

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Hard

5

riders

Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary.

Hard
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Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

Moderate

Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary.

Hard

Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.

Moderate
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Popular around Riserva Naturale Regionale Valle Dell'Arcionello

Road Cycling Routes in Riserva Naturale Regionale Valle Dell'Arcionello

Running Trails in Riserva Naturale Regionale Valle Dell'Arcionello

Cycling in Riserva Naturale Regionale Valle Dell'Arcionello

Hiking in Riserva Naturale Regionale Valle Dell'Arcionello

Gravel biking in Riserva Naturale Regionale Valle Dell'Arcionello

Tips from the Community

Silvio Venturini
April 12, 2026, Sentiero del Poggio di Mezzo

Entrance via the middle road of Lake Vico.

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Okay, the Parco Thermale di Bagnaccio is once again open daily. In winter from 8am to 8pm, in Summer open until 23pm or even midnight! Entry is 5€ for pilgrims with credential (or if you are lucky like me, also without). Else it is 10€. There are three simple changing rooms, some toilets, a snack automat and coffee maschine and, sometimes just outside, a mobile little restaurant selling hot meals.

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Beautiful cycle path on the Via Francigena towards Rome. The path continues across the Cassia under hazelnut groves.

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THE
August 5, 2025, View of Lake Bolsena

From here you have a beautiful view of the lake.

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beautiful view of Montefiascone

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beautiful view of the lake

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Beautiful stretch of the ancient Cassia, but a little challenging for the glutes

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Travelling along this pleasant dirt road, a suggestive view of Lake Bolsena opens up here.

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Frequently Asked Questions

What kind of terrain can I expect on the mountain bike trails in Riserva Naturale Regionale Valle Dell'Arcionello?

The trails navigate a diverse landscape, characterized by a dramatic volcanic gorge carved by the Fosso Urcionio, featuring steep walls of peperino rock. You'll also encounter dense forests of beech and oak trees, and open panoramic crests, especially around Monte Palanzana. This combination provides a dynamic and engaging environment for mountain biking.

How challenging are the mountain bike trails in Riserva Naturale Regionale Valle Dell'Arcionello?

The reserve offers a range of trails suitable for various skill levels. Out of over 200 available routes, you'll find about 16 easy trails, 111 moderate trails, and 83 difficult trails. This variety ensures options from leisurely rides to more challenging ascents, such as those leading to Monte Palanzana.

What natural features and historical landmarks can I discover along the mountain bike routes?

Beyond the striking volcanic gorge and panoramic views from Monte Palanzana, you can explore intriguing industrial archaeology. Look out for the remains of the old Palanzana Aqueduct, ancient mills, and the ruins of the 'Segheria Anselmi' (Anselmi Sawmill). The 'Cittadella delle Acque' also follows the path of the old aqueduct, offering a glimpse into the area's past industrial use of water power.

Are there any mountain bike routes that offer views of Lake Bolsena?

Yes, several routes provide scenic views of Lake Bolsena. For example, the View of Lake Bolsena – Cassia Antica Stone Path loop from Viterbo is a moderate 41.5 km path that includes sections of the historic Cassia Antica. Another option is the View of Lake Bolsena – View of Lake Bolsena loop from Viterbo Porta Fiorentina, a 49.4 km trail with consistent lake views.

What is the best time of year to go mountain biking in Riserva Naturale Regionale Valle Dell'Arcionello?

The trails in Riserva Naturale Regionale Valle Dell'Arcionello are accessible year-round, offering different scenic beauty with each season. Spring and autumn generally provide pleasant temperatures and vibrant landscapes, while summer can be warm but still enjoyable, especially in the shaded forest sections. Winter riding is also possible, with the landscape taking on a different charm.

Are there any family-friendly mountain bike trails in the reserve?

While the region offers a mix of difficulties, the presence of around 16 easy trails suggests there are options suitable for families or those looking for a less strenuous ride. These easier paths often traverse the dense woodlands or follow less steep sections of the volcanic gorge, providing a pleasant experience for all.

Can I bring my dog on the mountain bike trails?

The Riserva Naturale Regionale Valle Dell'Arcionello is a natural area, and generally, dogs are permitted on trails, often requiring them to be on a leash to protect wildlife and ensure the safety of other visitors. It's always advisable to check local regulations or signage at trailheads for any specific rules regarding pets within the reserve.

Where can I park my car when visiting Riserva Naturale Regionale Valle Dell'Arcionello for mountain biking?

Parking facilities are typically available at key access points around the reserve, especially near Viterbo, which serves as a common starting point for many routes. Specific parking areas may vary depending on your chosen trailhead, so it's recommended to check the starting point of your planned route for the most convenient parking options.

Are there any mountain bike routes that include views of Lake Vico?

Yes, you can find routes that offer views of Lake Vico. The Viterbo, Monti Cimini, and Lake Vico Loop is a challenging 63.2 km trail that provides extensive views across the Monti Cimini and Lake Vico. Another option is the Panoramic view of Lake Vico – Poggio di Mezzo Trail loop from Viterbo Porta Fiorentina, a difficult 47.8 km route.

What do other mountain bikers enjoy most about riding in Riserva Naturale Regionale Valle Dell'Arcionello?

The area is highly rated by the komoot community, with an average score of 4.4 stars from over 350 reviews. Mountain bikers often praise the varied terrain, the unique volcanic gorge, the panoramic views from Monte Palanzana, and the historical elements found along the routes. The combination of natural beauty and engaging trails makes it a popular destination.

Are there any circular mountain bike routes available?

Yes, many of the mountain bike routes in Riserva Naturale Regionale Valle Dell'Arcionello are designed as loops, allowing you to start and finish at the same point. Examples include the Calvario Ascent Trail – The Summit loop from Viterbo Porta Romana, a moderate 34.1 km route, and the various Lake Bolsena and Lake Vico loops mentioned previously.

Most popular routes in Riserva Naturale Regionale Valle Dell'Arcionello

Road Cycling Routes in Riserva Naturale Regionale Valle Dell'Arcionello

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