Which region in South Australia is most noted for producing exceptional Cabernet?

Coonawarra is renowned for producing exceptional Cabernet Sauvignon, and this is primarily due to its unique terroir. The region features a distinctive red soil known as "terra rossa," which is rich in nutrients and provides excellent drainage. This soil type, combined with the region's cool climate, creates ideal growing conditions for Cabernet Sauvignon grapes, allowing them to develop complex flavors and balanced acidity. The high-quality Cabernet produced in Coonawarra consistently gains recognition in domestic and international wine circles, making it the go-to region for this particular varietal in South Australia.