Scourmont Abbey and its Chimay beers

Jean De Clerck and Chimay: The Alliance of Science and Brewing Faith

Brewer Portraits

Ah, Chimay... Its Ardennes forests, Scourmont Abbey, and its legendary Trappist beers enjoyed worldwide. But behind the aromatic complexity of a Chimay Blue or the roundness of a Chimay Red, there is not only centuries-old monastic know-how. There is also the crossed destiny of two exceptional men: Father Theodore and Jean De Clerck, one of the greatest scientists in the history of beer. He is also known as the creator of Duvel.

A look back at a historic encounter that forever changed the face of Belgian beer.

Jean De Clerck: The Mastermind of Brewing Science

To understand this alliance, we must first measure who Jean De Clerck was. A professor at the Catholic University of Leuven (UCL) and author of the essential *Brewing Course*, De Clerck is the father of modern brewing microbiology in Belgium.

Where many still worked by instinct or empirical methods, Jean De Clerck brought scientific rigor:

  • Mastery of yeast: Understanding the exact role of microorganisms in aromas.
  • Hygiene and stability: Avoiding bacterial infections that once ruined so many brews.
  • Respect for taste: Putting science at the service of tradition, not the other way around.

1948 - 1950: The Quest for the Legendary Yeast and the Birth of a Masterpiece

After World War II, Scourmont Abbey sought to modernize its brewery while preserving its soul. Father Theodore, a passionate monk tasked with taking over the brewing kettles, decided to train with Professor De Clerck in Leuven.

Together, they tackled a colossal task starting in 1948: isolating and selecting Chimay's own yeast strain.

At the time, the yeasts used in breweries were often complex and unstable mixtures. By sampling the original yeast from the abbey, De Clerck and Father Theodore succeeded in isolating a unique strain with exceptional fermentative properties:

  1. An intense ester profile: It brings those famous notes of ripe banana, delicious apple, and subtle spices.
  2. High alcohol tolerance: Essential for successful bottle refermentation and achieving more generous alcohol levels.
  3. Perfect consistency: Offering the same characteristic taste, brew after brew.

It is this precise strain, jealously preserved and maintained ever since, that serves as the foundation for Jean De Clerck's scientific work alongside Father Theodore to create the famous Chimay beer around 1950. To this day, it forms the unmatched taste signature of the abbey's beers.

The Legacy in the Glass: Tasting Profiles

Chimay beers

🍺 Chimay Brown / Red (7% vol. - Color: 48.0 EBC / Bitterness: 18 BU)

Nose: A pleasant, fruity smell combining orange zest, apricot, and red fruits (cherry).
Mouth: A silky profile on the tongue opening up to spicy notes of clove, as well as rich aromas of malt, bread crust, and butter caramel. The whole finishes with a slight touch of bitterness and a pleasant astringency on the palate.

🍺 Chimay Triple / White (8% vol. - Color: 16.5 EBC / Bitterness: 32 BU)

Nose: With a golden color topped with a very fine foam, it offers intense smells of yeast and fresh hops (lemon, grapefruit, zest, pineapple, mandarin liqueur, greenery).
Mouth: Opulent and complex, it accentuates the hop aromas with subtle notes of muscat and raisins. Its intense bitterness is particularly clean, without harshness, melting delicately at the end with perfectly integrated alcohol.

🍺 Chimay Blue (9% vol. - Color: 66.5 EBC / Bitterness: 19 BU)

Nose: More powerful and rich, it reveals an intense smell of fresh yeast, alcohol, and rose, complemented by nuances of dark fruits (cherry, grape, prunes).
Mouth: A rich and structured beer with a lot of body. The roasted and caramel aromas reduce the perception of bitterness, offering pastry notes and butter caramel reminiscent of the sweetness of Sunday cakes, enhanced by a beautiful persistence.

Eternal Rest at the Heart of the Monastery

The story between Jean De Clerck and Chimay proves that tradition and science do not oppose each other: they sublimate each other.

But the bond that united the scientist to the abbey went beyond mere technical collaboration; it touched on the human and the sacred.

  • Exact location: The cemetery of the monks of Scourmont Abbey.
  • Particularity: This is an exceptional derogation, as Jean De Clerck is the only non-religious person (along with his wife) to rest there, in homage to his scientific work on Chimay beer, which he created in 1950 alongside Father Theodore.

By granting this rare privilege, the monastic community has sealed in stone the immense gratitude it bears to the professor.

🍻 Practical Information: In the Footsteps of Jean De Clerck and Father Theodore

Want to combine a brewing pilgrimage with fresh air? A trip to the Scourmont site is a must!

  • Site visit: Note that the brewery itself is not open to visitors, as the brewing secret and the tranquility of monastic work are strictly preserved.
  • Scourmont Abbey: The site remains very pleasant to explore. You can freely walk around the magnificent park, discover the monastic church, and pay your respects at the monks' cemetery where Jean De Clerck rests.
  • Tasting break: After a nice walk through the surrounding woods, head to the Auberge de Poteaupré (located just a few hundred meters from the abbey). This is the perfect place to sit down and enjoy a nicely chilled Chimay beer on tap, accompanied by a piece of Trappist cheese!

Conclusion

The next time you pop open a Chimay and pour it into its chalice glass, spare a thought for Father Theodore and Professor De Clerck.

It is thanks to their intuition, rigor, and shared passion that this jewel of Belgian heritage continues to sparkle in our glasses.

And perhaps you will hear, in the distance, the murmur of the forests... or the clinking of glasses at the inn.