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.
Last updated: July 8, 2026
5.0
(5)
52
riders
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.
5
riders
63.2km
06:03
1,440m
1,440m
Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary.

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4.5
(25)
112
riders
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
4.5
(6)
86
riders
45.1km
04:35
1,080m
1,080m
Hard mountain bike ride. Very good fitness required. Advanced riding skills necessary.
3.8
(4)
75
riders
Moderate mountain bike ride. Good fitness required. Suitable for all skill levels.
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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
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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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
3
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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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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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.


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