Ula Tirso

Geographical and Historical Context

Ula Tirso (Ula) is a hill municipality situated on a trachyte plateau along the left bank of the Tirso River, cradled within a natural trachyte amphitheater. Located in central Sardinia within the historical Barigadu district of Oristano Province, the surrounding landscape features an irregular topographic profile with significant altitudinal variations.

Human presence in the area dates back to the Nuragic period, as evidenced by several local nuraghi, followed by significant Roman influence that left lasting marks on local traditions. During the Middle Ages, the village belonged to the Giudicato of Arborea under the curatoria of Parte Barigadu. Following the fall of the giudicato, it passed through Aragonese and Spanish rule before becoming part of the Marquisate of Neoneli under the Ripoll family in 1774. It later passed to the Sanjust family through marriage until the abolition of the feudal system in 1839. Historically known as Ulà, the town was officially renamed Ula Tirso in 1870.

Economy and Local Traditions

The local economy centers primarily on agriculture—cultivating cereals, vegetables, forage, vines, olives, citrus, and orchards—alongside livestock breeding (cattle, sheep, goats, pigs, and horses).

Ulassa’s traditional cultural heritage is prominently displayed during its festivals, such as the grand bonfire (Tuva) and dancing for the Feast of Saint Anthony Abbot in January, the traditional S’Urzu e sos Bardianos Carnival featuring animal-skin costumes and a wild boar headdress mask, and the ancient Holy Week rites of S’Iscravamentu and S’Incontru. Gastronomic traditions include the local Sagra de sos Cannisones, celebrating a porous, handmade bucatini-style pasta served with tomato sauce and pecorino cheese.

Architecture and Landmarks

• Parish Church of Sant’Andrea Apostolo: Built starting in 1628 in the Aragonese-Gothic style using exposed trachyte, featuring a rectangular crenellated facade adorned with a large decorative rose window over a pointed-arch portal. Its soaring 1769 bell tower overlooks the Tirso valley. The interior features a stellar ribbed vault with carved angelic keystones.

• Church of Santa Croce: Standing on the site of Ula Tirso’s most ancient medieval church (originally dedicated to Saint Mary Magdalene), this restored oratory serves as an important spiritual and architectural landmark.

• Town Hall (Municipio): Located on Piazza Italia, housing the municipal headquarters and administrative offices.

Industrial Archaeology and Nature

• Santa Chiara Dam (Diga di Santa Chiara): Built between 1918 and 1924 along the middle course of the Tirso River to an engineering design by Angelo Omodeo, this monumental multi-arch dam created Lake Omodeo, which was once Europe’s largest artificial reservoir and for a time the highest dam in the world. Inaugurated on April 28, 1924, in the presence of King Victor Emmanuel III, the project relied on a massive workforce, including thousands of women and Austrian prisoners of war. Due to structural issues discovered in the late 1960s, a new downstream dam was built, leaving the historic Santa Chiara structure partially submerged.

• Santa Chiara Ghost Village: A purpose-built residential settlement constructed to house the Società Elettrica Sarda workers operating the old dam. Abandoned following the decommissioning of the old hydroelectric plant in the late 1980s, the decaying village functions as an atmospheric ghost town, though its small church remains well-preserved and operational.