Gueuze

A sparkling, complex blend of young and old lambic with bright acidity, Brett-driven funk, and oak notes. Highly carbonated and deeply layered. Compared with still lambic, it is more effervescent, blended, and bottle-conditioned in expression.

Defined by blending young and aged lambic with bottle refermentation, creating dryness, carbonation, and complexity.

Also known as: Gueuze; Geuze Lambic
Family: Sour & Funky Beers - Sour, tart, wild, or mixed-fermentation beers
Variant of Lambic - Within the Expressive Ales, defined by a clearly dominant sensory driver such as hop intensity, yeast expression, strength, or acidity.
Variant influence: Blended lambic combining young and aged beers to create a drier, more carbonated, and complex expression with layered acidity and funk.
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ABV, IBU and colour

This section summarises the typical alcohol strength, bitterness level and colour range of Gueuze within the GBI model.

ABV: 5,0%
IBU: 3
Colour: 6,0 SRM / 11,8 EBC

Taste profile

The sensory profile below shows the typical intensity range of the 15 core flavour dimensions.

Colour:
Yellow
Clarity:
Slight haze Hazy
Aroma – Malt:
Low Medium
Aroma – Hop:
Low Medium
Aroma – Yeast:
High
Aroma – Special:
Medium High
Sweetness:
None Low
Sourness:
Medium High
Bitterness:
Low Medium
Body:
Low Medium
Astringency:
Medium
Carbonation:
High Very high
Alcohol Strength:
Low Medium
Finish Length:
Long Very long
Oxidation:
Low Medium

Structurally defined by pronounced yeast character, clear acidity and restrained malt expression.

Structured through blending and bottle refermentation of aged lambics, achieving dryness, carbonation, and integrated acidity through maturation. Sparkling, tart, funky, and deeply expressive with long aging potential.

Why Gueuze tastes like it does

These structural drivers explain its characteristic flavour balance.

  • Spontaneous wild fermentation creating complex, assertive lactic acidity.
  • Spontaneous fermentation with acidity, funk and complex brett character.
  • Extended spontaneous aging adds complexity, oxidation & funk.
  • Medium toast increases toasted/melanoidin character with some sweetness and light astringency.
  • Whirlpool hopping enhances aroma oils with low bitterness.

Style details

  • Origin: Belgium — Originating from Belgian brewing traditions.
  • Glassware: Tumbler — Simple straight-sided tumbler commonly used for lambic, farmhouse ales, and rustic or sour styles.
    Tulip — Stemmed tulip glass that concentrates aroma and supports a stable head; ideal for aromatic ales and Belgian styles.
    Teku — Modern universal tasting glass designed for maximum aroma capture and sensory evaluation.
  • Serving: Bottle — Served from bottle.
  • Conditioning: Bottle Conditioned — Naturally carbonated in the bottle.
  • Aging vessel: Foeder — Aged in large wooden foeders.
  • Packaging: Bottle — Packaged in bottle.

History

Traditional to the Senne valley, produced by blending young and old lambic.

Related styles

Other variants within the same style group as Gueuze.

How Gueuze compares to other beer styles

Comparing styles highlights structural differences in aroma, balance, and intensity across the 15 GBI sensory dimensions.

Gueuze vs Lambic

  • much higher carbonation
  • clearer appearance
  • more pronounced special character
  • more yeast character
  • higher acidity

Placed next to Lambic, Gueuze reads as a markedly different expression. Acidity is more pronounced. Visually, it appears clearer in appearance. In the aroma, it shows more pronounced secondary aromatic notes and a more expressive fermentation character. On the palate, it presents a livelier carbonation profile.

Gueuze vs Oude Gueuze

  • clearer appearance
  • higher carbonation
  • more yeast character
  • higher acidity
  • fresher profile

Compared to Oude Gueuze, Gueuze shows noticeable structural differences. Acidity is more pronounced. Visually, it appears clearer in appearance. In the aroma, it shows a more expressive fermentation character. On the palate, it presents a livelier carbonation profile.

Compare Gueuze with:

Compare with another style

Select another beer style to see how it compares to Gueuze.

Best food pairings for Gueuze

These food pairings complement the dominant sensory traits of Gueuze.

  • Oysters
  • Salads
  • Sharp cheeses

Service & Aging

Practical guidance for serving and handling Gueuze.

Serving notes

  • Serve cool
  • Open carefully due to high carbonation
  • May gush

Pouring technique

  • Open carefully
  • High pressure

Aging potential

  • Ages 10+ years exceptionally well

Common faults

  • Acetic harshness
  • Oxidation

Commercial examples of Gueuze

The following commercial examples illustrate widely recognised expressions of Gueuze in the market.

  • Cantillon Gueuze
  • 3 Fonteinen Oude Geuze
  • Boon Oude Geuze

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Gueuze – Competition results (2025)

Competition categories reflect the official classification used by each event and may include stylistically adjacent interpretations.

European Beer Star 2025

Belgian-style Geuze

  • Gold – Oude Geuze Boon – (Brouwerij Boon , Belgium)
  • Silver – Oude Geuze Boon Black Label – (Brouwerij Boon , Belgium)
  • Bronze – Oude Geuze Devillé – (Brouwerij Den Herberg , Belgium)

Source: European Beer Star (official website)

Brussels Beer Challenge 2025

Old style Gueuze-Lambic

  • Gold – Oude Gueuze Pure 2017 – (Lindemans nv , Belgium)
  • Silver – Oude Geuze Megablend – (Horal Vzw , Belgium)
  • Silver – Oude Gueuze Tilquin à l'ancienne – (Gueuzerie Tilquin S.A. , Belgium)
  • Bronze – Chance, Luck & Magic - 2021 – (Garage Project , New Zealand)

Source: Brussels Beer Challenge (official website)

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