Beer of spontaneous fermentation, the Oude Pinot Noir Tilquin à l'ancienne is made from the fermentation of 350 gr of Pinot Noir grapes per liter of lambic. Unfiltered and unpasteurized, this beer is refermented in the bottle. Pinot Noir grapes are coming from Valentin Zusslin Estate, cultivated in biodynamic viticulture and harvested by hand on their Bollenberg vineyard.