Irseer Klosterbräu is a brewery, hotel and hospitality destination in Irsee, in the Allgäu region of Bavaria. Brewing has been part of the site’s history for more than 800 years, and the brewery makes unfiltered beers using regional ingredients and traditional craftsmanship. Its range includes Kloster-Urtrunk, Kloster-Helles, Kloster-Radler, Kloster-Weisse, Kloster-Urdunkel and Kloster-Starkbier, with styles described as mild, refreshing or full-bodied.

The former monastery buildings also house the Klosterbräu Hotel, offering comfortable rooms and a historic sauna vault with an herbal beer bath. At the Klosterbraugasthof, guests can enjoy Bavarian and Allgäu cuisine prepared with an emphasis on quality and local sourcing, including products made in-house and ingredients from nearby farms. Visitors can learn about brewing and beer history at the beer museum and join brewery tours. The business also offers tailored accommodation packages, meeting facilities, a beer garden and other dining spaces. Guests can explore local walking and cycling routes, while the online shop sells the brewery’s beers, regional specialties and souvenirs.