Which Southern Tasmanian subregion is known for its wine production?

The Derwent Valley is well-regarded for its wine production in Southern Tasmania. This subregion benefits from a cool maritime climate, which is conducive to growing high-quality cool-climate grape varieties. The region's proximity to the Derwent River helps to moderate temperatures, providing a suitable environment for grape ripening and allowing for complex flavor development.

Additionally, the Derwent Valley produces a range of varietals, including Pinot Noir and Chardonnay, which thrive in its specific terroir. The wine styles from this area show a balance of acidity and fruit, characteristic of the cool climate, and are increasingly recognized for their quality in both local and international markets.

In contrast, the Granite Belt is a significant wine-producing region located in Queensland, while Pipers River, although known for its production of high-quality wines, is in Northern Tasmania, not Southern Tasmania. Sunbury is also not a part of Southern Tasmania; it is located in Victoria and has its own distinct wine production profile. Therefore, the Derwent Valley stands out as the notable subregion for wine in Southern Tasmania.