The Guggenheim Bilbao has scrapped plans for a €100 million satellite expansion in Spain's protected Urdaibai biosphere reserve after nearly two decades of legal challenges and local opposition. The museum's board of trustees, including the Basque regional government and the Solomon R. Guggenheim Foundation, voted to halt the project due to insufficient public support and scientific objections. The two-site expansion would have placed cultural facilities in Gernika and Murueta, but environmental groups argued that up to 140,000 annual visitors would damage wetlands crucial for migratory birds.
The decision marks the most consequential shift for the institution since the Frank Gehry-designed Guggenheim Bilbao opened in 1997, sparking the "Bilbao effect." The project faced escalating opposition, including a demonstration in Gernika last year drawing thousands, with politicians calling it "anti-ecological" and "unnecessary." The regional government had already paused the plan in 2024 amid environmental scrutiny and leadership changes at the Guggenheim Foundation in New York, signaling a broader reassessment of expansion strategies.