Brouwerij De Vlier is a small artisan brewery located in Holsbeek, a municipality in the Flemish Brabant province of Belgium. Situated at Leuvensebaan 219, the brewery is part of a lively regional craft brewing scene that also includes names such as Hof ten Dormaal and Brouwerij de Kroon. De Vlier is closely associated with the brewing traditions of the broader Leuven area, a region with a deeply rooted beer culture stretching back centuries. The brewery produces a varied range of artisan beers and is known for its hands-on, craft-focused approach to brewing. Among its recognised beers is the Kessel Blond, a signature offering that reflects the brewery's commitment to flavourful, locally inspired brewing. De Vlier has also been involved in the revival of historic Belgian beer styles, including the Zoeg, a traditional regional style that was brought back to life in collaboration with other beer enthusiasts and brewers from the area. Visitors can experience the brewery firsthand, as De Vlier offers tastings and welcomes both individual visitors and groups. The brewery is listed among the top breweries in Flemish Brabant on travel platforms, and it is featured in official Flemish tourism publications dedicated to Belgian beer experiences, underlining its place as a genuine destination for beer lovers exploring the region.