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Lambic & Gueuze

The wild, spontaneous soul of Belgian beer

5 to 8% ABV8 in our cellar
See where this style fits in the family tree

No yeast is added. Instead, the cooling wort is left open to the night air of the Senne Valley, where wild yeast and bacteria drift in and begin a fermentation that can last for years. The result is unlike any other beer on earth: tart, funky, complex, and alive.

Quick definition

Lambic is beer fermented by wild yeast from the open air rather than added cultures. Gueuze is a sparkling blend of young and old lambics refermenting in the bottle. Both are tart, funky, and unlike anything else in brewing.

The criteria

What makes it unique?

1Spontaneous FermentationUnlike 99% of beers, brewers of Lambic add nothing. The hot wort is pumped into a shallow copper vessel (koelschip) in the attic, left open to the night air so wild yeast and bacteria from the Senne Valley can take over.
2The RegionTrue Lambic can only be brewed in the Pajottenland, southwest of Brussels, and the Zenne Valley. The specific microflora, climate, and brewing continuity required for traditional Lambic exist only here.
3Aged HopsBrewers use "suranne" (aged) hops, dried for three or more years until they lose their bitterness and aroma. They are used solely for their preservative, anti-bacterial properties, not for flavor.
4TimeAfter cooling, the beer is moved to oak barrels where it ferments and ages for one to three years. Most fruit beer is made in three weeks; Lambic takes years.
The profile

How it tastes.

Appearance
Cloudy gold to deep amber, still or lightly sparkling depending on the blend.
Aroma
Barnyard funk, citrus, green apple, oak, and a bracing sourness.
Palate
Sharp acidity, dry, with layers of fruit, leather, and wood.
Finish
Bone dry and lingering, refreshing despite its intensity.
The ritual

How to serve.

The Lambic Glass · 6-8°C

Serve cool, around 6 to 8 degrees. Gueuze suits a flute or wine glass to show its effervescence; still lambic is poured gently to preserve what little carbonation it has.

The story

History & tradition.

Lambic is the oldest surviving style of its kind, brewed in and around Brussels for centuries. Young lambic is sharp and one-dimensional; the magic happens in blending. A gueuze marries young and old oak-aged lambics, then refermenting in the bottle to create a sparkling, Champagne-like beer. Fruit versions steep whole cherries (kriek) or raspberries (framboise) in the aging beer, while faro is lightly sweetened with candi sugar.

From our cellar

Lambic & Gueuze to try.

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Who brews it

The breweries.

Open the map
In Belgium
CantillonThe Brussels shrine of uncompromising, bone-dry lambic.
3 FonteinenBeersel blender and brewer of revered gueuze.
BoonLembeek house known for precise, accessible gueuze and kriek.
LindemansFamily farm famed for fruited and sweetened lambics.
TimmermansOne of the oldest lambic breweries still running.
TilquinThe only gueuze blendery in Wallonia.
The family

Types of Lambic.

Straight Lambic

Flat (no carbonation), often cloudy, ranging from lightly tart to sour. Served directly from the barrel in local cafes. Rarely bottled. It drinks almost like a dry cider or sherry.

Gueuze (Oude Geuze)

The "Champagne of beers". A master blender marries one, two, and three-year-old lambic. The young lambic still has sugars, so it referments in the bottle, creating natural carbonation.

Examples: Cantillon Gueuze, 3 Fonteinen Oude Geuze, Oude Geuze Tilquin, Boon Oude Geuze
Fruit Lambic (Kriek, Framboise)

Whole fruit (sour cherries for Kriek, raspberries for Framboise) is added to the barrel. The yeast eats the fruit sugars, leaving the essence and color behind. Many commercial versions are sweetened; look for "Oude Kriek" for the traditional dry version.

Examples: Cantillon Kriek, Boon Oude Kriek, 3 Fonteinen Oude Kriek
Faro

A traditionally sweetened lambic-based beer, often blended with younger or lighter beer and sweetened with brown or candi sugar. Historically the working man’s daily drink. Sweet, sour, and rustic.

Setting it straight

Common misconceptions.

"All fruit beers are sweet."

False. Traditional Oude Kriek is bone-dry and sour. The sweetness in commercial brands comes from added sugar or syrup, not the fruit itself.

"It’s vinegar."

While it has acidity (acetic and lactic acid), a good Gueuze is balanced, soft, and complex, not harsh like pure vinegar.

"Any sour beer is lambic."

False. Lambic is a specific type of sour beer, defined by spontaneous fermentation in Belgium’s Zenne Valley. Other sour beers are often kettle sours or mixed-fermentation ales from elsewhere.

"Lambic is unsafe."

False. Though brewed with wild yeasts and bacteria, traditional producers have centuries of expertise ensuring a safe, delicious product. The fermentation itself inhibits harmful bacteria.

How to drink it.

GlassThe Lambic Glass
Temperature6-8°C
Strength5 to 8% ABV
The pourTilt to 45°, finish upright for a full head
The full pour ritual

Frequently asked.

Lambic is the base beer, often flat and served young from the barrel. Gueuze is a blend of young and old lambics that referments in the bottle to become sparkling and complex.

    Belgian Beer Wisdom

    Did you know?

    Many Belgian beers refermenent in the bottle, creating natural carbonation and complex flavors.

    Why it tastes different

    The Monk's Dispatch

    One letter a month from our cellar: a beer worth seeking, a brewery worth knowing, a small lesson in the art. What is this?