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Routes
Mountain biking trails
Italy
Sardinia
Nuoro
Ulassa/Ulassai

Sentiero Italia CAI Cycle Route

Hard

4.8

(4)

40

riders

Sentiero Italia CAI Cycle Route

03:18

33.7km

800m

Mountain biking

If you're seeking a challenging mountain biking adventure, the Sentiero Italia CAI Cycle Route delivers a difficult ride across 21.0 miles (33.7 km). You'll navigate diverse terrain, from smooth dirt roads to rugged mule tracks with natural obstacles, gaining 2609 feet (795 metres) in elevation. This route, estimated to take…

Last updated: April 23, 2026

Waypoints

A

Start point

Parking

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1

21.5 km

Serbissi Cave

Highlight • Cave

The Serbissi cave is a karst cavity, created by dolomitic dissolution through rainwater.
Source: sentierinatura.it/easyne2/LYT.aspx?Code=SentieriNatura&IDLYT=2713&ST=SQL&SQL=ID_Documento%3D4591

Translated by Google •

Tip by

2

26.6 km

This wonderful dirt road runs along the old railway line of the Osini – Gairo Taquisara.
You ride on a pleasant gravel while immersing yourself in spectacular views.

Translated by Google •

Tip by

3

31.2 km

Scala di San Giorgio

Highlight • Gorge

Attractive detour from Osini village (just before Ulassai). Imposing gorge - according to legend, created by a holy man who performed miracles. You can climb on one or two viewing …

Translated by Google •

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B

33.7 km

End point

Parking

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Way Types & Surfaces

Way Types

24.6 km

5.91 km

2.68 km

476 m

Surfaces

27.2 km

4.59 km

1.80 km

127 m

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Elevation

Elevation

Nothing selected – click and drag below to see the stats for a specific part of the route.

Highest point (990 m)

Lowest point (670 m)

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Weather

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Thursday 28 May

28°C

17°C

15 %

Additional weather tips

Max wind speed: 10.0 km/h

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This route was planned by komoot.

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Frequently Asked Questions

What is the terrain like on the Sentiero Italia CAI Cycle Route?

The route primarily uses dirt roads, mule tracks, secondary roads, and dedicated cycle paths. You'll encounter varied surfaces, from compact and smooth dirt to bumpy, irregular paths with natural obstacles like rock steps or roots. Some technically challenging sections may require you to dismount and walk.

How are the mountain biking sections of this route rated for difficulty?

The Club Alpino Italiano (CAI) uses specific ratings: TC (Turistico) for smooth dirt roads, MC (Medio) for slightly uneven paths, BC (Buon Ciclista) for bumpy dirt roads with obstacles, OC (Ottimo Ciclista) for very irregular paths with significant obstacles, and EC (Esperto Ciclista) for the maximum level with continuous steps and obstacles requiring advanced techniques. These ratings often differentiate between ascents and descents.

What can I see along the Sentiero Italia CAI Cycle Route?

The route offers diverse landscapes, including majestic mountains, lush forests, and ancient villages. Specific highlights you might encounter include the Serbissi Cave, the Old Osini–Gairo Taquisara Railway Line, and the impressive Scala di San Giorgio. It also connects numerous national parks and UNESCO World Heritage Sites.

Do I need a permit or pay an entrance fee to cycle this route?

Based on available information, there are no specific permits or entrance fees mentioned for cycling the Sentiero Italia CAI Cycle Route itself. However, always check local regulations for any specific sections or protected areas you plan to visit.

Is the Sentiero Italia CAI Cycle Route dog-friendly?

While the route traverses natural areas, specific rules regarding dogs can vary by region and within national or regional parks. It's generally advisable to keep dogs on a leash and ensure they are well-behaved, especially around wildlife and other cyclists. Always check local park regulations for the specific section you plan to ride.

What is the best time of year to mountain bike this route?

The best time to ride depends on the specific section of the route, as it spans diverse climates across Italy. Generally, spring (April-June) and autumn (September-October) offer pleasant temperatures and less extreme weather, making them ideal for mountain biking. Summer can be very hot, especially in southern regions, while winter may bring snow to mountainous areas.

Where can I find detailed planning resources and maps for the route?

An interactive map is available on the official website, providing detailed information for each stage, including distance, elevation profiles, terrain descriptions, photos, and official accommodation points. GPS tracks (.gpx format) are also available for download, and a dedicated mobile app for the cycling route is expected.

Are there any specific parking or access points for the Sentiero Italia CAI Cycle Route?

Given its extensive network across Italy, there are numerous access points. For specific parking information, it's best to consult the detailed stage information and interactive maps provided on the official Sentiero Italia CAI Cycle Route website, as parking options will vary greatly depending on your chosen starting point.

Does the Sentiero Italia CAI Cycle Route connect with other trails?

Yes, the route integrates with and follows several other paths. Notable intersecting trails include sections of "SICAI Ciclo", "39 Ulàssai - Sentieri dei Nuraghi e di "Su Marmuri"", "Sentiero Nuraghi", "Sentiero Italia - Tappa Z21A", "40 Taccu Isàra", "Sa Brecca", "Sentiero Italia - Tappa Z20", and "Vecchia sede Ferroviaria".

What kind of cycling experience does this route offer?

This route offers an extensive and unique mountain biking experience, showcasing Italy's diverse landscapes, rich history, and cultural heritage. It's designed to connect all 20 Italian regions, promoting responsible mountain development and sustainable tourism while allowing you to explore hidden gems.

Is the Sentiero Italia CAI Cycle Route suitable for beginners?

While some sections are rated TC (Turistico) and are suitable for basic cycling competence, many parts of the route are more challenging, rated MC, BC, or even higher. Beginners should carefully review the difficulty ratings for specific stages and choose sections that match their skill level and physical fitness.

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Trail Reviews

Gildo
June 24, 2024, Anello su Altopiano di Taccu da Osini (Grotta su Marmuri-Nuraghe Serbissi-Osini-Ulassai)

I did this loop solo, the route is beautiful, often in the shade but you need to take your skills into account. In particular, the dirt roads are very stony, almost all with "moving" stones so you have to know how to ride the bike well, I did it alone but it takes us quite a long way into the hinterland and there is really nothing there in case of breakdown or puncture it is good to have the right equipment and always have your phone with you, it is better to do it in pairs if possible. Departure from the Marmuri Caves (to be seen), after an initial section on asphalt you begin an infinite number of beautiful dirt roads with breathtaking views, about halfway a detour onto a challenging but entirely cycleable path. After several km you reach the Nuraghe di Serbissi (which can be visited with a €5 ticket), the descent along the path is very demanding due to the numerous steps and towards the end the path goes up and becomes very difficult because it is not very popular. Having arrived in old Osini, cross the railway and after a few hundred meters take a long dirt road (easy) that leads to the town of Osini, as the climb up the Scala di San Giorgio hill was closed for works, I continued up to Ulassai and went back up to the cave. Tour done with Ebike with 500w battery, my weight 88 kg, used in many sections in Eco and 100% used.

Translated by Google

First 600 mtr walk up via the walking path. Then bikeable.

Translated by Google
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