Barossa Valley (wine) Barossa Valley is most commonly associated with its signature grape variety of Shiraz, the region does grow a number of grape varieties. Among these other varieties are Riesling, Semillon, Chardonnay, Grenache, Mourvedre and Cabernet Sauvignon. The popularity of Syrah has sparked interest in the development of other Rhone varieties, with increase production of Grenache and Mourvedre (also known as Mataro in Australia) for both blending and varietal bottlings. Many of these vines are remnants of the Barossa's fortified wine history and such have substantial age themselves. Despite its reputation as a red wine region, the Barossa Valley does produce a
Sparkling wine production sparkling wines. Production always starts from a base wine (where the carbon dioxide from the first fermentation has been gasified). In Champagne production, the base wine is usually a blend of wines from different grape varieties and different wineries, where the distribution gives the final wine its special character, called "cuvée". In some commonly used methods the base wine undergoes a secondary fermentation, which encloses the resulting carbon dioxide under excess pressure and binds it to the liquid in the sparkling wine. In this way the carbon dioxide content is created which, after opening the bottle, produces the bubbles. The