- 10 - Belgian Quadrupel · Brown Blackwell Brewery Burgdorf · Bern Alcohol level9.3 % Buy online Discover the brewery Characteristics Style Belgian Quadrupel Color Brown Alcohol level 9.3 % Region Bern Beers from this brewery View all Mercury Saison Blackwell Brewery Farmhouse Ale - Saison Artemis Saison Blackwell Brewery Farmhouse Ale - Saison Apollo Wild IPA Blackwell Brewery IPA - Farmhouse Sauvage Oud Bruin Blackwell Brewery Sour - Flanders Oud Bruin