Fondation Pierre Gianadda

The Fondation Pierre Gianadda is a private cultural foundation in Martigny, in the Swiss canton of Valais. Opened in 1978, it administers a museum complex that includes permanent exhibitions and hosts major temporary art exhibitions, concerts, and a sculpture park. It is one of the most visited private museum institutions in Switzerland, having welcomed more than eleven million visitors since its opening.

The foundation was established in 1976 by Léonard Gianadda, an engineer, journalist, and art patron from Martigny, following the death of his younger brother Pierre in an airplane crash at age twenty-five. In that same year, Léonard discovered the remains of a Roman temple dedicated to Mercury on a construction parcel at the edge of town. He decided to conserve the ancient foundations and build a museum above them in his brother's memory. The inaugural exhibition in 1978, which featured works purportedly by Albrecht Dürer, Rembrandt, Peter Paul Rubens, and possibly Pablo Picasso, became embroiled in scandal when the paintings were revealed to be fraudulent. This early setback led Gianadda to recruit art critic André Kuenzi, and the foundation subsequently built its reputation through carefully curated exhibitions on artists such as Picasso and Paul Klee. Léonard Gianadda remained active until his death in 2023; in May 2024, his son François succeeded him as president. The foundation operates with an annual budget of approximately eight million Swiss francs and employs about sixty staff. From its opening through 2006, the museum group recorded more than 6.7 million visitors, a figure that has since grown substantially.

The foundation's holdings span multiple domains: Gallo-Roman archaeology, vintage automobiles, modern and contemporary sculpture, and works on paper. Its permanent exhibitions include the Gallo-Roman Museum, the Automobile Museum, the Louis and Evelyn Franck Collection, and a dedicated space for Sam Szafran. The foundation also maintains a restoration workshop that services works for other institutions. Temporary exhibitions, held several times annually, draw from public and private collections worldwide and have historically focused on major figures of nineteenth- and twentieth-century art.

The Automobile Museum holds fifty vehicles manufactured between 1897 and 1939, including fifteen Swiss-made models such as Stella, Zedel, Maximag, Sigma, Turicum, Pic-Pic, and Martini, many of which are unique or extremely rare. The sculpture park contains major twentieth-century works by artists including Arman, Jean Arp, Émile-Antoine Bourdelle, Constantin Brâncuși, Alexander Calder, César, Marc Chagall, Eduardo Chillida, Jean Dubuffet, Max Ernst, Aristide Maillol, Marino Marini, Joan Miró, Henry Moore, Antoine Poncet, Germaine Richier, Auguste Rodin, François Stahly, Bernar Venet, and Niki de Saint Phalle. The Louis and Evelyn Franck Collection comprises photographic works. The foundation has also hosted significant temporary exhibitions on artists ranging from Paul Klee, Picasso, and Goya to Klimt, Schiele, Modigliani, Degas, Manet, Gauguin, Van Gogh, Cézanne, and Francis Bacon.

The main building is a large, windowless concrete structure designed by Léonard Gianadda himself, constructed directly over the conserved foundations of the Roman temple. It has remained unaltered since construction, though underground extensions were added to accommodate the automobile collection. The central hall serves as the principal space for temporary exhibitions and concerts. Nearby, the tepidarium of adjacent Roman baths was excavated and restored, approached by a walkway of bronze plaques bearing the handprints, footprints, and signatures of celebrated visitors and exhibited artists. Within the park stands the Vieil Arsenal, a former military building from the Second World War era that now houses the foundation's administration and a permanent exhibition of Leonardo da Vinci inventions, displayed as wooden models. An adjacent bistro serves visitors.

The Fondation Pierre Gianadda is located in Martigny, Switzerland, and is open to the public seven days a week. It receives an average of approximately seven hundred visitors daily. The foundation is supported by the municipality of Martigny, which contributes more than 545,000 Swiss francs annually, as well as by the canton of Valais, Credit Suisse, UBS, and Loterie Romande. In addition to its visual arts programming, the foundation maintains an active musical season with numerous concerts each year, featuring renowned international soloists. The lyric artist Cecilia Bartoli has given twenty-three recitals there since 2000.