Kölsch (beer)

Lore & Background

Kölsch is a top-fermenting beer that is warm fermented with top-fermenting yeast, then conditioned at cold temperatures like a lager, a process similar to Düsseldorf's altbier. Its history dates to the early 17th century when bottom-fermented beer threatened Cologne's top-fermenting brewers; the town council in 1603 forced young brewers to swear an oath to use only top yeast. By 1750, Cologne brewers adopted a hybridized process, using top-fermenting yeast but aging in cold cellars like bottom-fermented beer.

The name Kölsch was first used in 1918 to describe beer brewed by the Sünner brewery since 1906, developed from the cloudier variant Wieß. By World War II, Cologne had over forty breweries; only two remained by war's end. After re-establishment in 1946, Kölsch rose in popularity in the 1960s, peaking at 3.7 million hl in 1980. In 1986, 24 brewers agreed upon the Kölsch-Konvention, restricting the name to breweries in Cologne and a few outside that had already used it. Exports to the US, Russia, Korea, China, and Brazil are increasing.

Reader's Guide

Kölsch's significance lies in its strict definition and protected status. Since 1997, it has been a protected geographical indication (PGI) within the EU, meaning only beer made within 50 km of Cologne and brewed according to the Kölsch-Konvention can be called Kölsch. The convention, agreed in 1986 by 24 brewers, defines it as a pale, highly attenuated, hoppy, bright top-fermenting beer brewed according to the Reinheitsgebot. This protection is not recognized outside the EU, where many breweries produce beer marketed as Kölsch with varying authenticity.

Its legacy includes a traditional serving method: in Cologne, it is served in a tall, thin, cylindrical 200 ml glass called a Stange, carried by a server (Köbes) in a circular tray (Kranz). The Köbes replaces empty glasses automatically, marking ticks on a coaster; drinkers place the coaster on top to stop refills. By 2005, output had declined to 2.4 million hl due to price increases and changing habits. Only seven breweries remain active, including Früh, Gaffel, and Reissdorf, with some historic brands contract brewed at Früh to retain the Kölsch name.

Did You Know?

• In Cologne, Kölsch is traditionally served in a 200 ml glass called a Stange.
• Only seven Kölsch breweries were still active as of a 2024 survey.