4.4
(244)
2,619
riders
182
rides
Touring cycling around Su Masu/Elmas offers diverse landscapes, from low-lying coastal areas to a gateway to Sardinia's mountainous interior. The region is situated on the banks of the Stagno di Cagliari, a significant lagoon known for its birdlife, providing flat, picturesque routes. While Elmas itself is at a low elevation, it serves as a starting point for routes that extend into the island's varied terrain, including both paved coastal roads and more challenging ascents. This area provides a range of…
Last updated: August 4, 2026
12
riders
88.0km
05:32
760m
760m
Hard bike ride. Very good fitness required. Mostly paved surfaces. Suitable for all skill levels.
4.3
(3)
14
riders
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.

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9
riders
25.2km
01:44
210m
210m
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
5
riders
53.9km
03:48
360m
360m
Hard bike ride. Good fitness required. You may need to push your bike for some segments of this route.
6
riders
Moderate bike ride. Good fitness required. Mostly paved surfaces. Suitable for all skill levels.
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Nuxis is a small village inhabited since prehistoric times and rich in cultural layers. Among its attractions are the Church of San Pietro, built in 1853, and the Byzantine country church of Sant’Elia di Tattinu. The town of Nuxis is characterized by a vibrant use of mural art: several contemporary murals decorate walls and facades, depicting scenes from local life, portraits of residents, and moments of collective memory. The village has several accommodations, as well as markets and restaurants where you can refresh yourself and stock up on supplies.
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The Bau Pressiu Dam is an artificial dam located in the town of the same name within the municipalities of Nuxis and Narcao in the province of Sulcis Iglesiente, and Siliqua in the metropolitan area of Cagliari. It was built on the Mannu di Narcao stream for drinking water and agricultural use and forms the lake of the same name.
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According to legend, the Acquafredda Castle was built by the Gherardesca family, Counts of Donoratico, when they acquired southeastern Sardinia. In fact, in 1257, the fortress came into the possession of Ugolino of Donoratico, lord of the Cagliarani territory, immortalized by Dante in Canto 23 of the Inferno. However, the castle is older, as it is already mentioned in a papal bull of 1215. After Ugolino's death (1288), it passed into the possession of Pisa, then to the Aragonese (1324), and subsequently to several feudal lords until it was redeemed by Victor Amadeus III (1785). From the top of a mountain, the castle dominates the territory of Siliqua, four kilometers away. Climbing its slopes, the view sweeps from the green valley of the Cixerri to Cagliari, from the Marmilla to the Iglesias area. At dawn and dusk, their shadows extend across the valley.
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According to legend, the castle of Acquafredda was built by the Gherardesca family, Counts of Donoratico, when they acquired southeastern Sardinia. In fact, in 1257, the fortress came into the possession of Ugolino of Donoratico, lord of the Cagliarani territory, immortalized by Dante in Canto 23 of the Inferno. However, the castle is older, as it is already mentioned in a papal bull of 1215. After Ugolino's death (1288), it passed into the possession of Pisa, then to the Aragonese (1324), and subsequently to several feudal lords until it was redeemed by Victor Amadeus III (1785). From the top of a mountain, the castle dominates the territory of Siliqua, four kilometers away. Climbing its slopes, the view sweeps from the green valley of the Cixerri to Cagliari, from the Marmilla to the Iglesias area. At dawn and dusk, their shadows extend across the valley.
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The old bastion was a defensive structure that was removed in the 19th century and converted into a neoclassical square. From there, you can enjoy another expansive view of Cagliari, as the viewing platform is located on the aforementioned hill in the old town. You can also easily reach the platform by elevator, avoiding the marble staircase. Also worth seeing on the old bastion is the triumphal arch, damaged in World War II but subsequently rebuilt.
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currently (June 2025) closed by scaffolding for restoration
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Panorama of the castle and 360 degree view of Cagliari and its wetlands
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The region offers diverse terrain. You'll find many routes along the low-lying coastal areas and the banks of the Stagno di Cagliari (Laguna di Santa Gilla), which are generally flat and picturesque. However, Su Masu/Elmas also serves as a gateway to Sardinia's more mountainous interior, providing options for routes with significant elevation gain for those seeking a challenge. Routes like the Assemini Viaduct – Muravera Cycle Path loop from Assemini Carmine feature substantial climbs, while others like the Muravera Cycle Path loop from Assemini Carmine are mostly paved and easy.
Yes, there are plenty of easy options. Over 50 of the routes in the area are classified as easy. A great choice for beginners or families is the Muravera Cycle Path loop from Assemini Carmine, which is 16.1 km long, mostly paved, and has minimal elevation gain, typically taking about 1 hour to complete.
The area is rich in natural beauty and historical sites. You can cycle along the Stagno di Cagliari, a significant lagoon famous for its pink flamingos, offering excellent birdwatching opportunities. Nearby attractions include the Molentargius–Saline Regional Natural Park and the Molentargius Salt Pans and Flamingos. You might also encounter Roman-era remnants and the Romanesque Chiesa di Santa Caterina di Semelia.
Sardinia, including Su Masu/Elmas, offers favorable weather conditions for cycling year-round, including mild winters. This makes it an appealing destination for continuous cycling. Spring and autumn generally provide the most comfortable temperatures for longer rides, while summer can be warm but still enjoyable, especially for coastal routes.
Yes, many of the touring cycling routes around Su Masu/Elmas are designed as loops, allowing you to start and finish in the same location. Examples include the Lago di Saliu – Stagno di Stani Saliu loop from Cagliari Elmas and the Wind Turbines near Uta – Church of Santa Maria, Uta loop from Cagliari Elmas.
The area is highly rated by the komoot community, with an average score of 4.4 stars from over 400 reviews. Touring cyclists often praise the diverse landscapes, from the tranquil lagoon views with flamingos to the more challenging ascents in the interior. The variety of routes catering to different skill levels is also frequently highlighted.
Elmas is conveniently located near Cagliari, which is well-connected by public transport. Many routes start from towns like Assemini Carmine or Cagliari Elmas, which are accessible. Additionally, Sardinia is well-equipped for cycling tourism, with services such as bike rental and bike shuttle services available across the island, which can help with transport to starting points.
Absolutely. For experienced riders seeking a challenge, routes like the Assemini Viaduct – Muravera Cycle Path loop from Assemini Carmine offer a difficult 54.1 km ride with a significant 470 meters of elevation gain, primarily on paved surfaces. Another demanding option is the Lago di Saliu – Stagno di Stani Saliu loop from Cagliari Elmas, covering 54.1 km with 330 meters of elevation.
Beyond the natural beauty, you can explore historical and cultural sites. Cagliari, just 8 kilometers from Elmas, offers attractions like the Bastion of Saint Remy, the historic Castello district, and the Cathedral of Saint Mary of the Assumption and Saint Cecilia. The Poetto Beach is also a popular spot.
There are over 150 touring cycling routes available around Su Masu/Elmas, offering a wide variety of distances, difficulties, and scenic experiences. This includes over 50 easy routes, nearly 60 moderate routes, and over 40 difficult routes, ensuring options for every skill level.
Yes, many routes, especially those around the Stagno di Cagliari (Laguna di Santa Gilla), offer excellent opportunities for birdwatching, particularly for observing pink flamingos. The flat, picturesque rides in this area provide continuous scenic views of the lagoon and its wildlife. The Molentargius–Saline Regional Natural Park is a prime location for this.


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