Best canyons around Domunoas/Domusnovas, a municipality in the Iglesiente region of Sardinia, Italy, is known for its geological formations, particularly its caves and rocky landscapes. The area is often referred to as the "village of the grottoes" due to its numerous cave systems. These features offer unique opportunities for exploring underground networks and engaging in outdoor activities like rock climbing. The region presents a diverse terrain of natural monuments and gorges.
Last updated: June 30, 2026
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The Su Mannau Caves, near Fluminimaggiore, are a unique feature of their extensive cave system, among the oldest in the world. With its two branches, they are also of great archaeological and speleological interest. The right-hand section consists of an extensive karst complex of Cambrian origin and extends over several levels. Some are higher and already fossilized, others deeper and still active. The right-hand branch was formed by the Rapido River and consists of numerous and varied passages and halls, which are the most interesting sight in the cave. The first hall is of great historical importance, not least because of its connections to the nearby Punic-Roman temple of Antas. A must-see!
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The evocative Grotta di San Giovanni is a geological and archaeological treasure, as well as the longest vehicle-accessible cave in the world. The cave is accessible from two sides, but the ticket office and information point are located at the main, southern entrance. Entrance is permitted only during cave opening hours. Ticket prices vary depending on the type of visit. You can find all the latest information on the website: https://www.grottasangiovanni.com/.
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The Su Mannau Cave is one of the most spectacular karst caves in Sardinia. It extends for approximately 8 kilometers, although the accessible section is limited to a 500-meter path through walkways, rooms, ponds, and underground waterfalls. The first part of the visit leads to the archaeological hall, an ancient underground temple used as a water cult in the pre-Nuragic era, connected to the nearby Temple of Antas. Continuing, you enter a living environment, where stalactites, stalagmites, and alabaster flows are reflected in the clear water, home to the Stenasellus nuragicus, a tiny crustacean unique in the world. The cave is open for guided tours year-round: information and hours at https://www.sumannau.it/
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From the natural lookout along the trail, a breathtaking view opens up over the Riu d'Orrida gorge, one of the wildest areas of the Linas massif. The stream flows between granite walls shaped by the water, creating natural pools and small waterfalls.
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The view here is magnificent!
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I read dramatic comments about crossing the Rio Oridda gorge. First of all, everyone does what they want....... I wait for July and for years I have been bathing in the boilers, it takes patience and I pass. It's fun to see all those wetsuits, ropes......... so my grandfather goes down too!!! P.S. we go to the waterfall and the gorge, from Monti Mannu, Figus, Linas, Muru Mannu, Oridda plain, Gutturu Abis. Walk slowly, without looking for the event. Saludusu.
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Great hike through the gorge. Sure-footedness is required.
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Great hike, but surefootedness is required.
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The Domusnovas region, often called the 'village of the grottoes,' is renowned for its impressive geological formations, particularly its extensive cave systems and rocky landscapes. Key features include the San Giovanni Cave, known for its unique traversable road, and the Su Mannau Cave, a vast and ancient karst complex. Additionally, the Wasserlöcher des Riu d'Oridda offers a fascinating natural amphitheater with green-sparkling pools.
The San Giovanni Cave is globally unique for being the longest carriageable cave in the world, featuring an 860-meter internal road. While the road is now closed to vehicles, it remains open to pedestrians, offering an extraordinary walk through a geological and archaeological treasure. The cave also serves as a major hub for rock climbing, with over 550 pitches in the surrounding area.
The Su Mannau Cave is one of the largest and most beautiful caves in the Iglesiente Mountains. Visitors can explore a vast Cambrian-era karst complex with multiple levels, including an archaeological hall that was once an ancient underground temple. The cave features impressive stalactites, stalagmites, and alabaster flows, with guided tours available year-round. It's also home to the unique Stenasellus nuragicus crustacean.
Yes, the Wasserlöcher des Riu d'Oridda is a notable natural monument. When the Riu d'Oridda river has low water levels, small, green-sparkling pools form, surrounded by steep rocky walls that create a captivating natural amphitheater. This spot is also near the Piscina Irgas waterfall.
Beyond exploring the caves and gorges, the Domusnovas region is a prime destination for various outdoor activities. Rock climbing is particularly popular, with hundreds of routes for all skill levels. You can also find numerous hiking trails, including routes like the Santa Barbara Mining Trail, and options for cycling and running through the scenic landscapes.
Absolutely. Domusnovas is considered one of Sardinia's largest and most important climbing areas. The high limestone walls around the Grotta di San Giovanni, for instance, offer over 20 crags and 550 pitches, catering to climbers from beginners to experts. The diverse crags provide year-round climbing opportunities, with sunny south-facing options for winter and challenging overhangs for more experienced climbers.
Yes, several sites are suitable for families. The Su Mannau Cave is explicitly categorized as family-friendly, offering guided tours through its impressive formations. While the San Giovanni Cave is accessible to pedestrians, families should check specific tour details and accessibility for younger children or strollers on its official website.
The caves in Domusnovas hold significant historical and archaeological importance. The Su Mannau Cave, for example, contains primeval finds and an archaeological hall that served as an ancient underground temple for water cults in the pre-Nuragic era, with connections to the nearby Temple of Antas. The San Giovanni Cave is also recognized as a geological and archaeological treasure.
The San Giovanni Cave is unique for its 860-meter internal road, which is now open to pedestrians. It is accessible from two sides, though the main entrance with a ticket office and information point is on the southern side. The cave is also categorized as wheelchair accessible, making it an inclusive option for many visitors. Always check the official website for current opening hours and ticket information.
The Domusnovas region offers year-round opportunities for exploration. For rock climbing, the diverse crags provide options for all seasons, including sunny south-facing spots for winter climbing. For cave visits, guided tours are generally available throughout the year, but it's always advisable to check the specific opening hours and conditions for San Giovanni Cave and Su Mannau Cave on their respective websites, especially during off-peak seasons.
Yes, for those seeking a more demanding experience, the Oridda Gorge offers a challenging hiking trail with sections that require climbing. While the trail markings can sometimes be difficult to find, it provides a rewarding adventure for experienced hikers. Some visitors even enjoy walking through the gorge from the waterfall back to the parking lot, especially when water levels are low.


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