|This part of McLaren Vale was surveyed by William GreigEvans who noted the many natural springs. He named the place in honour of his wife, whose maiden name was Blewitt.
The boundaries of Blewitt Springs sub region are defined by the underlying geology, the majority of which is 34 to 56 million year-old North Maslin and South Maslin Sand. The geological description is cross-bedded medium and coarse grained sand.
Within the wider McLaren Vale region, Blewitt Springs is located in the north eastern corner with altitudes in some vineyards of 200m above sea level. It is therefore one of the coolest of the sub regions and receives adequate rainfall. The cool temperatures and free draining sands produce wines with elegance and floral characteristics. This sub region was popular with early settlers to the region and contains many of McLaren Vale’s old bush vine vineyards. It is also typically the last area to be picked, sometimes up to a month after the Beautiful View region. The Ironstone Pressings GSM receives many parcels from this sub region providing elegance and fragrance.