The yeasts exhaust the fermentation sugars which are tumed into CO 2 and alcohol. All you have to do is deduct 5 years from this date to fliscover the beer's age.
Connoisseurs make a clear distinction between young and old beers.
Whether young or more mellow, each one unto his own. Ideally, Orval beer is best stored at cellar temperature and away from direct light. The bottling house at the Orval brewery More than just the malts, chosen for their mildness, it is both the great variety of yeasts and the double hopping method during brewing and lagering, which characterise Orval beers. Its markedly bitter yet well-balanced flavour blends well with its smoothness and fruitiness in spite of a very low level of residual sugars. To appreciate the full flavour of Orval beer, it is best drunk in the glass designed in 1932 by the architect Henry Vaes and which is still manufactured today.