Best lakes around Biddanoa Truschedu/Villanova Truschedu are primarily artificial, situated in the Province of Oristano, Sardinia. This municipality is located near the Tirso River, which feeds into the prominent Lake Omodeo. The region features a landscape of arid mountains and basalt plateaus, offering diverse natural and historical points of interest. The area is known for its archaeological sites and the significant artificial lakes near Villanova Truschedu Sardinia.
Last updated: June 30, 2026
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Bridge over the Tirso River, blocked by the Eleonora D'Arborea Dam to form the artificial basin of Lake Omodeo.
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Dam of the river Tirso which gives rise to the largest artificial basin in Sardinia, Lake Omodeo.
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On the slopes of Lake Omodeo. Built on a Roman construction, probably from the 7th century. He sees the first muristene in 1657. The mountain landscapes and Lake Omodeo are stunning, as are the mosaics at the entrance to the church. The gates are always open, and the village can be visited even if uninhabited except for the period in which the novena is celebrated. In the main street, behind the church, you can find a drinking water fountain to top up.
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The dam, whose construction ended in 1924, is located near Ula Tirso and was built to regulate the course of the Thyrsus river, allow the irrigation of the adjacent lands, and produce low cost energy (Ula was the first Sardinian municipality to have electricity). Wanted and designed by Eng. Angelo Omodeo, was built in five years under the direction of Eng. Giulio Dolcetta. At its inauguration, the Omodeo lake thus formed was (and remained for a long time) the largest artificial lake in Europe. , the pre-Nuragic settlement "Serra Linta" and the village of Zuri, which was rebuilt a short distance from the lake (but this time on a hill). The church of San Pietro, dating back to the 13th century, was completely dismantled from its position and rebuilt in its present position in Zuri.
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Although the dam can be reached by bike from the service road near Sa Cantinedda, and you can cycle on it, this is still a section where you need to pay maximum attention.
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VITTORIO EMANUELE III King of the victorious and renewed homeland, he inaugurated on April 28, 1924 the works of Tirso which, divined by the first architects of the Italian economy drawn by Angelo Omodeo, powerfully subsidized by the state; Giulio Dolcetta it fulfilled in the first five years of glorious peace under the presidency of Giovanni Cini, by mandate and with the means of the Italian Commercial Bank, and of the Italian Society for Southern Railways. ---- Collaborate to the general organization, Angelo Bruni and Antonio Pierazzuoli. The major work is the Santa Chiara di Ula dam designed by Luigi Kambo. He built, Felice Costamagna assisted by his brother Andrea, by Ottavio and Alfonso Gervaso, by Carlo Avanzini, Silvio Silva, Giovanni Brotzu, Stefano Meloni, Tullio Serra Emilio Elia and Tommaso Fiorelli. Leading the effort of 16,000 Italian workers. --- Andrea Pertoldeo, Engineer, fell in the long and bitter struggle against the unhealthy place and the resistance of nature. L.Costan [...], A. Carpanelli E. Gramsci, P. Prisco, G. Pace, E. Serra And the workers: G. Fundoni, A. Cancedda, D. Simula, E. Secchi, [...]. Crucas, C. Manai, G. Marras, A. Floris, G. Manca, B. Sotgiu, P. Oppo. [...]. Crispazio, I. Scoonamilla, P. Succu, A. Garau, G. Lai, A. Cossu, A. Follesa, A. Frau, F. Aresti, R. Carrucciu, V. Sedilesu, R. Canali, A. Brau, L. Moro, G. Cannas, G. Marcus, P. Tidu, R. Manca [...] G. Piras, A. Molli, E. Mantegano, R. Remano GOD THE FATHER WATCH AND FECOND
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Segment of SP74 that runs along the central-southern part of Lake Omodeo up to the old dam. Paved road and passable by racing bike but with care as it is poorly maintained and with visible cracks along its entire route. Cars are rare, albeit present.
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The primary lake in the region, Lake Omodeo, is nestled amidst a beautiful landscape of arid mountains and basalt plateaus. Its banks feature lush Mediterranean scrub, holm oaks, white poplars, willows, and olive groves. It's also recognized as a Site of Community Interest due to its environmental value.
Yes, Lake Omodeo is known for its diverse wildlife, especially a rich variety of bird species. You can spot both sedentary and migratory birds such as jays, peregrine falcons, mallards, wild geese, little egrets, and white and grey herons, making it an excellent spot for nature lovers and birdwatching.
Lake Omodeo is rich in history. Its creation submerged ancient sites, which become visible when water levels are low. These include Tombs of the Giants, Domus de Janas, a Pre-Nuragic settlement, and a 20-million-year-old fossil forest. The area also boasts numerous Nuragic archaeological sites and Roman baths. The old Romanesque church from the original village of Zuri was dismantled and rebuilt nearby.
Lake Omodeo is a fantastic location for various wind sports, with windsurfing and kitesurfing being popular, especially during consistent winds in spring and early autumn. The surrounding area also offers hiking trails for exploring the natural beauty.
Yes, nearby villages offer cultural insights. Sorradile features houses built of pink trachyte, ancient oak trees, vineyards, and the Gothic-Catalonian Church of San Sebastiano. Sedilo is famous for its annual religious festival, the Ardia of Santu Antinu. Fordongianus, also nearby, is known for its historic thermal baths.
The Busachi Bridge over the Tirso River offers views of the artificial basin of Lake Omodeo. The Church and Novenary of San Serafino, situated on the slopes of Lake Omodeo, provides stunning mountain and lake views. You can also get a good perspective from the View of the Eleonora d'Arborea Dam, which forms the lake.
Yes, there are several hiking opportunities. You can find routes like the 'Casa Aragonese – Camper Area Near Roman Baths loop from Fordongianus' or the 'Santa Cristina Country Church loop from Pozzo di Santa Cristina'. For more details, explore the Hiking around Biddanoa Truschedu/Villanova Truschedu guide.
Absolutely. There are cycling routes such as 'The dams on the Tirso River and Lake Omodeo – ring tour from Fordongianus'. The Santa Chiara Dam and Lake Omodeo Road is also a segment of SP74 that runs along the central-southern part of the lake. For more cycling options, check the Cycling around Biddanoa Truschedu/Villanova Truschedu guide.
The Santa Chiara Dam on the Tirso is a significant man-made monument and historical site. Completed in 1924, it was built to regulate the Tirso river, irrigate adjacent lands, and produce energy, creating what was once Europe's largest artificial lake, Lake Omodeo.
While the region can be visited year-round, spring and early autumn are particularly good for outdoor activities like wind sports on Lake Omodeo, thanks to consistent winds. These seasons also offer pleasant temperatures for hiking and exploring the historical sites.
Yes, Sardinia is home to other notable artificial lakes. Lake Coghinas, in northern Sardinia, is the second-largest and popular for sport fishing and birdwatching. Lake Gusana, in central Sardinia, is known for its intense blue color, water sports, and an ancient Roman bridge visible when water levels are low.
Yes, the area around Lake Omodeo offers diverse activities that can be enjoyed by families, including nature observation, exploring historical sites, and easy walks. The Church and Novenary of San Serafino is specifically categorized as family-friendly.


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