Nassau Winery, the Lambrechts' family farm, lies 10km south of Malmesbury off the Klipheuwel Road. The first wine was produced on the farm in the year 2003.

The 120 hectare vines planted on the 564 hectare farm produce +/- 1000 ton grapes of which 10 tons are processed to produce wine for the
"Black Ridge" lable. The rest of the grapes (990 tons) are delivered to Nederburg and Windmeul cellars. Their portfolio of wines include two white wines, a Chenin Blanc and Sauvignon Blanc, as well as four red wines, Cabernet Sauvignon, Merlot, Cabernet/ Merlot blend and a Shiraz.