4.2
(46)
137
hikers
03:04
9.56km
400m
Hiking
Embark on the Great Loop CAI 011, a moderate hiking route that takes you through a diverse landscape of chalky stone, gullies, and ravines. This 5.9-mile (9.6 km) trail offers a rewarding experience, with a total elevation gain of 1307 feet (398 metres) over an estimated 3 hours and 3 minutes. You will hike through magnificent Mediterranean oak forests and discover panoramic views from higher points like Viewpoint Ripa della Morte, offering glimpses of the surrounding area and even San Marino from the village of Onferno.
When planning your visit, you will find the route well-marked with signage designed for nature observations, making navigation straightforward. The trail is a loop, which means you will finish where you started, simplifying your logistics. Consider starting your hike earlier in the day to fully enjoy the natural environment and the varied scenery at a comfortable pace.
The Great Loop CAI 011 is situated within the Onferno Nature Reserve, a site recognized as a UNESCO World Heritage Site for its significant natural and cultural treasures. The area is known for its unique karst geology, featuring distinctive gypsum formations that shape the landscape. This trail offers a great way to explore a protected environment that stands out in the region.
Last updated: April 23, 2026
Tips
Your route passes through a protected area
Please check local regulations for:
Waypoints
Start point
Parking
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5.61 km
Highlight • Viewpoint
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Tip by
7.50 km
Highlight • Cave
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7.56 km
Highlight • Viewpoint
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9.56 km
End point
Parking
Way Types & Surfaces
Way Types
4.21 km
3.86 km
780 m
713 m
Surfaces
3.33 km
2.77 km
2.41 km
1.00 km
< 100 m
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Elevation
Highest point (520 m)
Lowest point (170 m)
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Weather
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Friday 3 July
31°C
20°C
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Additional weather tips
Max wind speed: 13.0 km/h
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This route was planned by komoot.
The Komoot route for the Grande Anello CAI 011 through Onferno Nature Reserve is approximately 9.5 km (5.9 miles) long and takes around 3 hours to complete. While some sources mention a much longer 29.5 km route, this specific Komoot tour focuses on a more manageable loop within the reserve.
This route is rated as moderate. It involves an elevation gain of about 398 meters (1,307 feet) and a similar descent, traversing varied terrain including dirt tracks and some asphalt sections. It's suitable for hikers with a reasonable level of fitness.
The trail offers a diverse experience, winding through an unspoilt karst landscape of chalky stone, gullies, and ravines. You'll encounter magnificent Mediterranean oak forests, dirt roads, and some stretches of asphalt. The path is generally well-maintained for nature observations.
Key highlights include the Viewpoint Ripa della Morte, offering panoramic views of nearby ravines. You'll also pass near the famous Onferno Caves, known for their gypsum formations and bat colonies. Another notable spot is the View of San Marino from the exit of the Onferno Caves.
The Onferno Nature Reserve is generally welcoming to dogs, but they must be kept on a leash to protect the local wildlife and ensure a pleasant experience for all visitors. Always clean up after your pet.
Hiking the Grande Anello CAI 011 itself does not typically require a specific permit or entrance fee. However, if you plan to visit the Onferno Caves, there is usually an entrance fee, and guided tours with expert speleologists are often required.
The trail can be enjoyed during most seasons. Spring and autumn offer pleasant temperatures and vibrant scenery, with blooming flora or colorful foliage. Summer can be warm, so an early start is recommended. Winter hiking is possible, but be prepared for cooler temperatures and potentially muddy conditions.
Specific parking information for the Grande Anello CAI 011 trailhead isn't detailed, but visitors typically park near the village of Onferno or the Onferno Caves visitor center, which serves as a common starting point for trails within the reserve.
Yes, the Grande Anello CAI 011 route also passes through sections of other official trails, including the Sentiero dei Crinali, Via Arcella, and Via Piana. You might also encounter parts of the Ripa della Morte trail.
The Onferno Nature Reserve is a Site of Community Importance (SCI) and part of the Natura 2000 network, protecting rich biodiversity. You might spot rare and unusual flora, roe deer, and porcupines. The Onferno Caves are particularly famous for hosting one of Italy's largest and most varied colonies of bats.
The village of Onferno, a former rural castle, is a good place to look for local amenities. While specific cafes or restaurants directly on the trail are unlikely, you can often find options in the village or nearby towns to refuel before or after your hike.
Comments
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Relatively easy route except for the uphill section that starts from the "kennel" house, which I called this because it looks like an uninhabited country farmhouse but with 6 enormous Maremma dogs who welcome you by barking as much as they can and following you throughout the entire journey. …
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Path in the Conca Valley belonging to the network of "I Sentieri di Gemmano", a locality in the province of Rimini.
Path:
Caves and Castle of Onferno - Path 011 Big Ring - Ripa della Morte - Piandicastello Cemetery - San Salvatore - Path Via dei Crinali - Caves and …
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