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Castello del Valentino

Savoy residence on the Po, transformed from 1620 for Christine of France by the Castellamontes; since 1861 home to the engineering school, today the Politecnico.

The Castello del Valentino is the Savoy residence overlooking the left bank of the Po, inside the Parco del Valentino, at viale Pier Andrea Mattioli 39. Built as a suburban villa in the sixteenth century, it took on its present appearance from 1620 at the wish of Christine of France, who made it her favourite residence; in 1858 it was transformed for the national industrial exhibition, and from 1861 it housed the school of engineering that gave rise to the Politecnico di Torino, which today teaches architecture there.[1][2] Since 1997 it has been listed as a UNESCO World Heritage site together with the other Savoy Residences.[3][4]

From riverside villa to wedding gift

The building's origins go back to the sixteenth century. In 1564, a year after the ducal capital moved from Chambéry to Turin, Emanuele Filiberto purchased the property on the bank of the Po.[1][2] His son Carlo Emanuele I gave it to his daughter-in-law Christine on the occasion of her marriage to the heir to the throne, Vittorio Amedeo I: according to the Consortium of the Royal Savoy Residences the gift dates to 1619, while according to MuseoTorino it probably took place in 1620.[2][1]

Christine, born in Paris on 10 February 1606 and died in Turin on 26 December 1663, was regent of the duchy from 1637. Her biographer in the Dizionario Biografico degli Italiani attributes the castle's transformation to her:[5]

"Indeed she had the Castello del Valentino rebuilt to designs in French taste, having received it as a wedding gift from her father-in-law; it became her favourite residence."

Dizionario Biografico degli Italiani, entry "Cristina di Francia"

The Castellamonte building works

The long season of works opened after Vittorio Amedeo I came to the throne in 1630 and was directed by Carlo di Castellamonte and then by his son Amedeo.[1][2] The works were traditionally dated to the third decade of the seventeenth century; studies by B. Signorelli (1971-72) moved Carlo's intervention forward to 1620, in connection with the heir's wedding. From 1633 to 1640 Carlo directed its decoration, "where painters and stuccoists submitted to his taste," according to the entry the Dizionario Biografico devotes to him.[6] On his death in 1641 the work passed to Amedeo, whose name first appears in the documents precisely in connection with the Valentino, whose continuation and decoration he oversaw from 1633.[6][7]

The result was a building with a layout unusual for Turin: front pavilions linked by arcaded wings closing in a semicircle, and a roofing system remade on models from north of the Alps, with steep "French-style" roofs.[1] The 1937 Enciclopedia Italiana recognised in it a clear statement of sixteenth-century French architectural taste, superseded twenty years later by the building works at the Palazzo Reale.[8] On 15 October 1659 the contract for the "new façade" was signed; the following year the pediment was added, with an inscription dictated by Emanuele Tesauro, and on 27 December 1663 the work continued toward the courtyard with a false curtain of windows simulating a second floor that does not exist.[7]

The rooms

Inside, the frescoes and stuccowork were entrusted to craftsmen from Lugano. Isidoro Bianchi, with his sons Francesco and Pompeo and his workshop, began the frescoes in 1633; from 1645 the rooms facing north were also decorated, with Giovanni Paolo and Giovanni Antonio Recchi; the stuccowork involved Alessandro Casella, Bernardino Quadri, Elia Castelli and Giovanni Luca Corbellino; MuseoTorino also records Tommaso Carlone and Carlo Solaro.[1][2] The names of the rooms reveal their themes, among flowers, stars and symbols: the Green Chamber, the Chamber of Roses, of the Zodiac, of the Birth of Flowers, of the Lilies, the gilded Cabinet of Flowers; another apartment lines up the Chambers of War, of Trade, of Magnificence, of the Hunt and of Festivities, and the Cabinet of the Labours of Hercules. The central hall was frescoed by Isidoro Bianchi with historical subjects.[1] The Salone d'Onore still hosts screenings and performances today.[9]

Barracks, botanical garden and exhibitions

In 1729 Vittorio Amedeo II turned a side garden of the castle into the Botanical Garden, which still stands next to the castle along viale Mattioli today.[2] With the end of the court the castle changed use: in 1805 the French government assigned it to the military with a Veterinary School, in 1824 two companies of light artillery moved in, and from 1831 the newly founded corps of the Engineers' Pontoon Bridge Builders.[1]

Meanwhile the Valentino was becoming the showcase of the Kingdom's industry. The first Turin exhibition was held in 1829 under Carlo Felice; those of 1838, 1844 and 1850 followed; the 1858 exhibition, with more than 1,500 exhibitors, was already a modern exhibition.[10] To host it, promoted by Cavour, the Ministry of Finance entrusted Luigi Tonta and Domenico Ferri with an overall transformation of the building: the porticoes were replaced by two new side wings, and between 1864 and 1867 the arcaded semicircle gave way to an iron railing; between 1869 and 1872 the two porticoed terraced wings at the front were built.[1][2] The early exhibitions were held right at the Valentino, where makeshift towns of pavilions sprang up each time; the 1884 national exhibition gave a boost to the city's industrial development.[10]

The school of engineers

Since 1861 the castle has housed the Royal School of Application for Engineers; in 1869 a new wing was added to the south, designed by the engineer Pecco.[2][1] In 1906 the Politecnico was founded, and by the 1940s it had its engineering seat in the castle's north-western wing.[2][1]

The war struck the building three times, on 11 November and 12 December 1942 and on 13 July 1943: high-explosive and incendiary bombs tore off the roof covering and damaged ceilings, walls and window frames. By October 1944 restoration work was already under way.[1]

Today

The castle houses the Politecnico's School of Architecture and is open to the public with guided tours by appointment.[2] In 2010, in the management plan for the UNESCO site, its buffer zone was created, together with those of Villa della Regina and the Castello di Moncalieri.[3]

On 16 September 2026 the City, the Politecnico and the University presented VALE, the Valentino's cultural hub, funded among others by the Fondazione CRT and the Compagnia di San Paolo: it includes the new central Library, the pavilions of Torino Esposizioni and the Teatro Nuovo. The future campus of architecture, design and planning will unite the historic seat and the new one along a single green axis, the project states, making the most of "the castle's baroque and nineteenth-century spaces." [4] For rector Stefano Corgnati the campus is "an important piece of the PoliTo2030 mandate programme."[4] A few days later, during the European Researchers' Night of 25 and 26 September 2026, the castle hosted three scientific escape rooms and, in the Salone d'Onore, the screening of a documentary on sustainable plastics, a show combining narration, music and visual art, and the choreography "En Plein Air" by Carola Giarratano, between dance and scientific research.[9]

Related articles: Cappella della Sindone, Christine of France, European Researchers' Night 2026 at Parco del Valentino, La Venaria Reale, Monte dei Cappuccini, Parco del Valentino

Pages linking here

Sources

  1. MuseoTorino
  2. Consorzio delle Residenze Reali Sabaude
  3. UNESCO World Heritage Centre
  4. TorinoClick — 16 September 2026
  5. Treccani, Dizionario Biografico degli Italiani
  6. Treccani, Dizionario Biografico degli Italiani
  7. Treccani, Dizionario Biografico degli Italiani
  8. Treccani, Enciclopedia Italiana —
  9. TorinoClick — 22 September 2026
  10. MuseoTorino

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