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Italy
Rimini
Gemmano

Onferno Great Loop (CAI 011)

Moderate

4.1

(44)

131

hikers

Onferno Great Loop (CAI 011)

02:56

9.36km

360m

Hiking

Embark on the Onferno Great Loop (CAI 011), a moderate hiking route that takes you through the diverse landscapes of the Riserva Naturale Orientata di Onferno. This trail covers 5.8 miles (9.4 km) and involves an elevation gain of 1181 feet (360 metres), typically taking around 2 hours and 56…

Last updated: April 23, 2026

Waypoints

A

Start point

Parking

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1

6.87 km

Church of the Most Holy Savior in Piandicastello

Highlight • Religious Site

This church in Piandicastello, completely rebuilt after the destruction of the war - the "Chiesa del SANTISSIMO SALVATORE" - was not dedicated to one of the many people whom we …

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2

7.42 km

Viewpoint Ripa della Morte

Highlight • Viewpoint

Ripa della Morte" is a steep sand wall located in the Onferno Oriented Nature Reserve, in the province of Rimini.

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3

9.31 km

Onferno Caves

Highlight • Cave

Inside the Nature Reserve there is the Grotta di Onferno, 700 m long and 70 m deep, with a difference in height of about 70 m originating from some streams …

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B

9.36 km

End point

Parking

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Way Types & Surfaces

Way Types

4.16 km

4.12 km

1.07 km

Surfaces

2.79 km

2.55 km

1.71 km

1.07 km

996 m

237 m

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Elevation

Elevation

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Highest point (520 m)

Lowest point (170 m)

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Weather

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Tuesday 26 May

32°C

21°C

0 %

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Max wind speed: 11.0 km/h

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This route was planned by komoot.

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Frequently Asked Questions

How long does the Onferno loop trail take?

This loop hike typically takes around 2 hours and 56 minutes to complete. While some longer routes in the reserve can take up to 3 hours or more, this specific trail is designed for a moderate duration.

What is the difficulty level of this hike?

The Riserva Naturale di Onferno loop hike is considered to be of moderate difficulty. While the overall elevation gain is around 360 meters, some descents, like the Onferno descent, can be quite steep, ranging from 10.5% to a maximum of 19%.

What is the terrain like on this loop hike?

The terrain is varied, featuring a mix of dirt tracks and paved sections. You'll traverse tranquil hills, chalk outcroppings, gullies, ravines, and dramatic rock faces, including dolines. Expect some steep descents and forest sections. Within the caves, there are steps and unique karstic formations.

What are the main points of interest along the trail?

Key highlights include the historic Church of the Most Holy Savior in Piandicastello, the scenic Viewpoint Ripa della Morte, and the famous Onferno Caves. The ancient 'Castrum Inferni' village also offers panoramic views.

Can I visit the Onferno Caves during the hike?

Yes, the Onferno Caves are a major attraction and can be visited. They are known for housing the largest bat colony in the region. Guided tours are available and highly recommended to explore their unique alabaster formations and 'mamelons'.

What wildlife might I encounter in the Riserva Naturale di Onferno?

The reserve is rich in wildlife. Besides the abundant bat population in the caves, you might spot porcupines, roe deer, various bird species, butterflies, and small mammals typical of the Romagna and Montefeltro regions.

Does this loop hike connect with other trails?

Yes, this route incorporates sections of several other official trails, including the Sentiero dei Crinali, Via Arcella, Via Piana, and Ripa della Morte.

Where can I park for the Riserva Naturale di Onferno loop hike?

Specific parking information for this exact trailhead is not provided, but generally, parking is available near the Visitor Center in the village of Onferno, which serves as a common starting point for trails within the reserve.

Is this trail dog-friendly?

Information regarding dog-friendliness for this specific trail is not explicitly stated. However, as a nature reserve, it's advisable to check local regulations regarding dogs, especially concerning protected areas and wildlife habitats. If dogs are allowed, they should always be kept on a leash.

What is the best time of year to hike this trail?

The reserve's diverse microclimates mean it can be enjoyed across seasons. Spring and autumn generally offer pleasant temperatures and vibrant scenery. Summer can be warm, but the caves offer a cool respite. Always check weather conditions before heading out.

Do I need a permit or pay an entrance fee for the Riserva Naturale di Onferno?

The Riserva Naturale di Onferno is a protected area. While there isn't typically an entrance fee for hiking the general trails, there is a fee for guided tours of the Onferno Caves. It's always a good idea to check with the Visitor Center for any specific regulations or updated information regarding permits for certain activities.

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Trail Reviews

Almadori
April 12, 2025, Riserva Naturale di Onferno in Valconca - giro ad anello

In the final stretch, 20 minutes after arriving, we met a family of wild boars with at least ten cubs.

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Departure from the car park in front of the Onferno caves. 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. fence that runs along the path, a little disturbing to be honest. Maybe it's because I slept very little the night before, maybe it was because I had just been on the sofa for 2 days and had uncertain weather but I made a devastating effort, I reached the top of the hill after the steep and zigzagging climb in the meadows, sweaty and exhausted like never before for about 300 meters of altitude difference. Before and after this parenthesis the route presents only relaxation. You almost always walk on dirt and terrain and less than 100 meters on asphalt, however on a deserted road. After passing the ruins of Ca Mannone on the path towards the Piandicastello road you have a broad view of the Catria and Nerone massifs, majestic on the horizon, always recognizable and pleasant to see, in my opinion better than the Ripa della Morte viewpoint in path after the very small cemetery on the way up from the same road, viewpoint over the Onferno valley. If you have more time, you can make a detour before the climb mentioned at the beginning along the ridge path which passes over the hills to the north and which then rejoins the circular route. Special mention for the signage, perfect, even without a map it is impossible to get lost, signs and signs everywhere and at every intersection. Very open route, on hot summer days you need to equip yourself with great care.

Translated by Google

The Paths of Gemmano - The Great Ring CAI 011 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 Castle of Onferno WoW, this ring is awesome, I loved it. The panorama is spectacular and the wide valleys that surround the Onferno oriented reserve are wonderful. Hooked to the Via dei Crinali it could become a must to do every year. Spectacular panoramic points and passages .... many, but Ripa della Morte deserves an extra point. A lot of mud, on some descents you could even ski, puddles of water in the flat passages to get your feet wet, but the clear, sunny and slightly warm day, with the fog in the valley, made the whole tour unforgettable. Suitable for dogs: Ni Avoid the summer period. Path totally in the sun and with little shade. Very short stretch of asphalt with a safety edge and almost zero traffic. Some fords to cross. Sources of water: at the Onferno Caves and at the Church of San Salvatore Map and details of the route on a pdf downloadable from: https://prolocogemmano.it/sentieristica/ More info on: http://www.parchiromagna.it/riserva.onferno/iti_dettaglio.php?id_iti=6107

Translated by Google

A truly beautiful loop hike. I highly recommend stopping at the Onferno Caves during the trek; they're truly breathtaking. Plus, there are farmers and ranchers nearby where you can buy excellent, locally sourced produce!

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