Maison Mumm – Exceptional Opening European Heritage Days 2025
Discover the secrets of champagne by exploring the historic cellars of Maison Mumm in Reims. Carved into the chalk more than 70 years ago, these 25 kilometers of galleries house the Maison’s iconic vintages, from the newest to the oldest.

Maison Cordon Rouge:
After this wandering journey, you will enter a refined and exclusive space, usually reserved for a very private circle. Maison Cordon Rouge, the historic jewel of Maison Mumm in Reims, opens its doors for an intimate dive into its history, steeped in French elegance, from 20th to 21st of September 2025. From there on, you will be transported into the warm and sophisticated atmosphere of a residence where Champagne heritage comes alive through captivating stories and rare anecdotes shared by our archivist and Brand Ambassadors.
This unique moment, in a place normally closed to the public and now accessible during private events, will make your visit even more magical. Whether you’re a passionate champagne lover or simply passing through Reims, this tour offers a rare opportunity to immerse yourself in the history and expertise of the Maison. We look forward to welcoming you for this “#Mumm Moment” and sharing the passion that drives us.
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About our chief archivist
Working for 15 years at the House, Stephane Kraxner is the guardian of its history.
He is the memory of the company, which will soon celebrate its 200th anniversary, and of Cordon Rouge, which will celebrate its 150th anniversary.
Responsible for collections, loans, and sharing with museums and temporary exhibitions, he watches over a living heritage that continues to grow and shares his passion for the brand with enthusiasts around the world.