Natural monuments around Abas/Ales are found in the Province of Oristano, Sardinia, Italy, a region known for its diverse and striking natural landscapes. The area is situated near Mount Arci, a significant volcanic formation renowned as the only Sardinian source of obsidian, making it a site of geological and historical interest. This region offers a blend of unique geological features and ancient archaeological sites, often intertwined with the natural environment. Visitors can explore a variety of natural and historical monuments…
Last updated: June 28, 2026
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Visitors taking the path past the Church of San Marco can admire the centuries-old olive trees and reach "Su strintu 'e cresia." Turning right, you can visit the Parish Church of Santa Maria and, in the area in front, the Church of San Domino, which houses a centuries-old olive tree declared a UNESCO World Heritage Site. https://monumentiaperti.com/it/edizioni/2024/comuni/genuri/monumenti/ulivi-plurisecolari-dichiarati-patrimonio-dellunesco/
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The Church of San Domino is located in the Genuri countryside. It stands near the parish church of Santa Maria and is surrounded by a large green area that separates it from the surrounding area. Based on its architectural style, it is believed to have been built in the 15th century, almost contemporaneously with that of San Marco Evangelista. Due to its status as a listed building, extensive restoration work was necessary in the 1990s. Today, the church presents itself as it was restored. The structure is simple and consists of a single nave, to which a small building was added on the right side in the 19th century. This building serves as a sacristy and partially encloses two of the three buttresses that support the church on each side. The flat-topped façade is characterized by well-hewn stone blocks and is flanked by a wall on which the bell gable with two arches, also added in the 19th century, rises. The church is characterized by its extreme simplicity and the absence of any distinctive architectural elements. Inside, an important decorative element has been preserved: a very original small altar in painted stone, consisting of a base supporting a niche with an architrave between two columns with capitals, framed by the symbols of the four evangelists and two medallions bearing Christ's monogram. A Latin inscription runs along the architrave, decorated with dentils. https://idese.cultura.gov.it/place/chiesa-di-san-domino/
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Sa Dome and s'Orku, one of the best preserved giants' tombs on the island
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Volcanic black stone, highest point of Monte Arci
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Tamba dei Giganti really beautiful and impressive, a pity that part of the arch on the sides of the entrance is missing
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Beautiful still completely intact even if not very well cared for, it can be easily reached from the road
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There are about 800 Giants' Tombs in Sardinia. The one inside the archaeological site of the Giara di Siddi is one of the best preserved Nuragic funerary monuments.
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The region around Abas/Ales, located in the Province of Oristano, Sardinia, offers a diverse range of natural monuments. You can discover significant volcanic formations like Mount Arci, ancient burial sites, and unique basaltic plateaus. These include mountain summits, historical caves, and ancient tombs that showcase Sardinia's rich past and distinctive geography.
Yes, Domus de Janas Sa Domu e S'Orku is a great option for families. This beautiful Domus de Janas (a type of ancient Sardinian tomb) is completely intact and easily reached from the road, making it accessible for visitors of all ages.
The area is rich in historical natural monuments. A notable site is the Tomb of the Giants Sa Domu e S'Orku, which is one of the best-preserved Nuragic funerary monuments in Sardinia, offering a glimpse into an ancient, timeless place. Additionally, Domus de Janas Sa Domu e S'Orku is another historical cave site.
Mount Arci is a significant volcanic formation near Abas/Ales, renowned as the only Sardinian source of obsidian. This volcanic glass was historically crucial for tools and trade, making Mount Arci a site of both geological and archaeological interest. Its unique geological features and historical importance make it a key natural monument.
The region offers various outdoor activities. You can find numerous cycling routes, including those around Mount Arci and the Marmilla subregion, suitable for touring bikes, mountain bikes, and road bikes. For example, you can explore routes like 'The Nuraghe of Marmilla and the history of Obsidian - ring tour' or 'Tour of Morgongiori: through Monte Arci and obsidian'. You can find more details on these activities in the Cycling around Abas/Ales, MTB Trails around Abas/Ales, and Road Cycling Routes around Abas/Ales guides.
Sardinia generally enjoys a Mediterranean climate, making spring and autumn ideal for outdoor exploration due to milder temperatures. However, it's worth noting that some natural features, like the Rio Is Salonis Waterfall, are often without water in August, suggesting that late summer might not be the best time for waterfall viewing.
Yes, Monte Arci - Trebina Longa, the highest point of Monte Arci, offers spectacular views from its summit. Additionally, Giara di Siddi is also noted as a viewpoint, providing unique perspectives of the basaltic 'table' landscape.
The Giara di Siddi, also known as su Pranu, is one of three basaltic 'tables' in Marmilla, formed by ancient lava flows. It has a curious inverted 'T' shape with high, steep walls. Its southern side features reddish spots, and it preserves precious pre-Nuragic and Nuragic legacies, including one of the best-preserved Tombs of Giants on the island.
Reaching the summit of Monte Arci - Trebina Longa involves challenging routes with gradients of up to 20% in some sections. These routes are within a spectacular wooded setting, rewarding the effort with stunning views.
The Rio Is Salonis Waterfall is a natural monument near Morgongiori. To reach it, you'll cross a small metal bridge, leave your bikes, and walk a short distance over rock, descending to the two-drop waterfall. Be aware that it is often without water, particularly in August.
Yes, the region is rich in archaeological remains. The Giara di Siddi, for instance, contains numerous archaeological legacies from the Nuragic era, such as the Tomb of the Giants of SA Domu and S'Orku and a protonuraghe. Mount Arci itself is also of archaeological interest due to its obsidian deposits.


Extend your search for the best caves by checking out these guides of the top ones around Abas/Ales: