The Barossa Valley was formed by the North Para River and was named by Colonel William Light in 1837.
The area of Barossa Valley, often referred to as the valley floor, is approximately 13 km long and 14 km wide and stretches from Williamstown in the south almost to Kapunda and Truro in the north. It averages less than 400 metres above sea level. Within Barossa Valley, there are numerous unofficial sub-regions: from north, south, east and west they include Gomersal, Williamstown, Lyndoch, Rowland Flat, Barossa foothills, Vine Vale, Light Pass, northern Barossa Valley, Greenock, Seppeltsfield and Marananga.
The red brown soils in Barossa Valley are more fertile than Eden Valley, rainfall is up to 50% less and temperatures are up to 2 per cent warmer.