Russian River Brewing Company is a microbrewery based in Santa Rosa, California. The brewery name was originally owned and operated by Korbel Champaagne Cellars in Guerneville, California. After shutting down, it was reopened in 2004 in a brewpub in downtown Santa Rosa. The company also operates a production brewery within 1 mile of their downtown location. They currently brew 33 beers, including a variety of Sours. They have also won numerous award. They are perhaps most well known for their Pliny the Younger Imperial IPA.