Lakes around Tadasune/Tadasuni are primarily defined by the significant artificial Lake Omodeo, situated on the western shore of this small Sardinian municipality. Created in the 1920s by damming the Tirso River, Lake Omodeo was once the largest artificial reservoir in Europe. When water levels drop, the lake reveals submerged historical elements, including ancient Nuraghi, fossilized trees, and parts of the medieval hamlet of Zuri. This area offers a blend of natural beauty, recreational opportunities, and historical intrigue.
Last updated: May 18, 2026
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The road leaves the traffic of the SP15 and leads to the marina, continuing to the beginning of the Ex-SP30. A practicable road with little traffic, you can cheerfully ignore the signs that say that the road is closed: it is closed for cars, the segment is part of a nature trail in the municipality of Ardauli.
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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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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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Lake Omodeo is a significant artificial lake, once the largest in Europe, created by damming the Tirso River. Its unique characteristic is the emergence of submerged historical and natural elements when water levels drop, revealing ancient Nuraghi, fossilized trees, and parts of the medieval hamlet of Zuri. This offers a rare glimpse into the region's past.
Beyond the submerged ruins visible when water levels are low, you can visit the Church and Novenary of San Serafino. This religious building, constructed on Roman foundations, is located on the slopes of Lake Omodeo and its surrounding village can be explored, offering stunning views of the lake.
Yes, the shores of Lake Omodeo are ideal for relaxing walks. For more structured hiking, you can explore routes in the wider Tadasuni area. For example, there are easy and moderate trails like the 'Parking Area loop from Sèdilo/Sedilo' or the 'Nuraghe su Montigu – Nuraghe Cunzola loop from Boroneddu'. You can find more details on these and other hiking options in the Hiking around Tadasune/Tadasuni guide.
Lake Omodeo offers several cycling opportunities. You can ride along the Santa Chiara Dam and Lake Omodeo Road, which follows the central-southern part of the lake. For longer rides, consider routes like the 'Enough around Lake Omodeo — ring tour' or 'Coast along Lake Omodeo from Nughedu Santa Vittoria'. More options are detailed in the Road Cycling Routes around Tadasune/Tadasuni guide and the Cycling around Tadasune/Tadasuni guide.
The lake's shores are rich with diverse forest formations, including holm oak and Mediterranean shrub. It's also a habitat for various bird species, both seasonal and migratory, such as European rollers, peregrine falcons, ospreys, and different types of ducks and herons. The scenic beauty is particularly striking when water levels fluctuate, revealing petrified wood.
Yes, the area around Lake Omodeo offers relaxing walks along its shores that are suitable for families. The Church and Novenary of San Serafino is also considered family-friendly, offering a cultural stop with scenic views. For easy walks, consider routes like the 'Parking Area loop from Sèdilo/Sedilo' which is an easy-grade hike.
The best time to visit often depends on your preferred activities. Spring and autumn offer pleasant temperatures for hiking and cycling. Summer is ideal for enjoying the lake's scenic beauty, though it can be warmer. Visiting when water levels are low can offer a unique experience of seeing the submerged historical elements.
Absolutely. The most prominent is the Santa Chiara Dam on the Tirso, an impressive engineering feat from the 1920s that created Lake Omodeo. Another significant structure is the Busachi Bridge over the Tirso River, which spans the river where it is blocked by the Eleonora D'Arborea Dam, contributing to the lake's formation.
While Tadasuni is a small municipality, its proximity to Lake Omodeo means there are options in nearby villages. You can find cafes, restaurants, and accommodation in the surrounding areas, particularly in larger towns close to the lake. It's advisable to check local listings for specific establishments.
Visitors frequently appreciate the blend of natural beauty and historical intrigue. The suggestive panoramic views, especially when the lake's water levels reveal ancient submerged structures, are a major draw. The opportunity for relaxing walks along the shores and exploring the historical significance of the dam and surrounding sites also receives high praise.
Yes, the Santa Chiara Dam and Lake Omodeo Road provides excellent views as it runs along the lake. Additionally, the Road to the Porticciolo di Sorralide and Ex-SP30 leads to a marina and continues as a nature trail, offering scenic perspectives of the lake.


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