🍾 Champagne Hillsides, Houses and Cellars – The Avenue of Champagne in Épernay
UNESCO World Heritage site showcasing 18th-century champagne industry architecture
📋 Fast Facts
- Located in Épernay, Marne department, northeastern France
- UNESCO World Heritage designation recognises champagne production heritage from 18th century onward
- Features grand mansions, châteaux, and subterranean cellars of major champagne houses
- Underground galleries extend hundreds of metres beneath the street, some dating to Roman times
The Avenue de Champagne in Épernay is one of Europe's most architecturally coherent streets dedicated to a single industry. Lined with elegant 18th- and 19th-century mansions and châteaux, the avenue sits above an extensive network of chalk cellars—some extending hundreds of metres beneath the street. These underground galleries, many expanded during the champagne boom, remain functional storage for millions of bottles produced by the region's largest houses ...