German Ale Styles

Germany's Hidden Ales

Germany is synonymous with lager, but two important ale traditions survive in the Rhineland cities of Cologne (Kolsch) and Dusseldorf (Altbier). These hybrid styles ferment warm like ales but condition cold like lagers, producing clean, refined beers.

Kolsch

Kolsch is protected by the Kolsch Konvention — a 1986 agreement that restricts the name to beers brewed in the Cologne metropolitan area. It is pale gold, brilliantly clear, delicately fruity, and highly drinkable at 4.4-5.2% ABV.

Malt: Pilsner malt, sometimes with a touch of wheat (5-10%). Very pale, clean, and bready.

Hops: Noble hops (Hallertau, Spalt, Tettnang) for subtle floral-herbal bitterness (20-30 IBU).

Yeast: Kolsch yeast ferments at 58-65 F — warmer than lager but cooler than most ales. This produces a very clean profile with faint fruit esters (apple, pear).

Conditioning: Cold conditioned (lagered) at 32-35 F for 2-4 weeks for brilliant clarity.

Serving: Traditionally served in small 200 mL cylindrical glasses called Stange. Kobes (servers) circulate through Cologne's beer halls, replacing empty glasses automatically.

Altbier

Dusseldorf's copper-amber ale is the yin to Kolsch's yang. Where Kolsch is pale and delicate, Altbier is malty, biscuity, and more assertively bitter.

Malt: Munich malt and Pilsner malt with specialty malts (Carafa, Crystal) for a copper-amber color (11-17 SRM). Clean, bread-crust malt character.

Hops: German noble hops, but with more assertive bittering (25-50 IBU) than Kolsch. The hop-malt balance leans slightly toward bitterness.

Yeast: Alt yeast ferments at 59-65 F, producing a clean, neutral profile similar to Kolsch but with slightly more malt emphasis.

Conditioning: Cold conditioned at 32-35 F for 3-6 weeks.

Serving: Served in small 200 mL cylindrical glasses similar to Kolsch. Zum Uerige and Fuchschen are iconic Altbier breweries.

Sticke Alt and Doppelsticke

Special strong versions of Altbier brewed occasionally at traditional Dusseldorf breweries. Sticke ("secret") is more malty and alcoholic than standard Alt. Doppelsticke is even stronger — a rare and coveted specialty.

Brewing Tips

• Use Kolsch or Alt-specific yeast strains (or a clean German ale strain)
• Ferment cool for an ale: 58-65 F
• Cold condition for at least 2-4 weeks for clarity
• Keep recipes simple — these are ingredient-quality-driven styles
• Both styles should be crisp, clean, and highly drinkable