Peter Zumthor Expands Fondation Beyeler Museum in Basel
The renowned Swiss museum unveils its architectural expansion designed by Peter Zumthor, featuring new pavilions and public gardens opening fully in January 2027.
Stock photo for illustration only, not from the actual event
- Peter Zumthor distributes new functions across three distinct buildings
- Nearly 10,000 square meters of former private parkland opened to the public
- Wyss Museum adds 1,500 square meters of dedicated exhibition space
- Full daily public opening scheduled to begin on January 15th, 2027
Renowned Swiss architect Peter Zumthor has completed a major architectural expansion for the Fondation Beyeler in Basel, Switzerland. The project distributes new cultural and functional spaces across three distinct structures: the Wyss Museum, the Ammann Pavilion, and the Erlen Torhaus. Each building has been carefully crafted to respond directly to the surrounding historical landscape.
Zumthor's approach reflects a deep understanding of the site, which has long been defined by an older pattern of private villas, gardens, pathways, and water features. Rather than introducing a dominant structure that stands apart, the architect aimed to create new additions that feel as though they organically belong to the location.
“I wanted my buildings to blend in so naturally, that it felt completely self-evident.”
Peter Zumthor
The Wyss Museum serves as a core component of the expansion, adding approximately 1,500 square meters of exhibition space spread across three floors. Its irregular Y-shaped layout was purposefully designed around existing mature trees, including a ginkgo, a redwood, and plane trees, effectively turning site constraints into the primary organizing principle of the architecture.
Stock photo for illustration only, not from the actual event
Situated between the museum buildings and historic structures, the Ammann Pavilion functions as a vibrant social hub for the expanded ensemble. Constructed from glass and oak with cherry and pear wood interiors, this single-story pavilion opens widely onto the park. It operates independently of museum hours and offers free admission, serving as a public lounge during the day and transforming into a cultural venue for up to 250 people in the evening.
The expansion of the Fondation Beyeler by Peter Zumthor exemplifies a thoughtful architectural dialogue between contemporary design, historic preservation, and landscape architecture. By integrating new structures seamlessly into an existing 19th-century park setting, the project redefines how visitors experience contemporary art beyond traditional gallery walls, bridging cultural programming with public recreational spaces.
In addition to the new buildings, the project opens nearly 10,000 square meters of previously private parkland to the public, directly connecting the grounds to the nearby Landschaftspark Wiese nature reserve. Several historic structures have also been meticulously restored, including the Orangerie redesigned by India Mahdavi and the Ammann Atelier, which will host educational programs and an open studio.
The expanded Fondation Beyeler will launch through a preview phase before welcoming visitors daily starting January 15th, 2027. The inaugural program will feature “Constellations,” a major exhibition displaying over 200 works from the museum collection and private lenders across the newly opened indoor and outdoor spaces.
Source: designboom
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