Terroir    Simonsvlei's grapes are sourced from the region's diverse terroir, resulting in complex wines layered with varietal characteristics. Soils vary from shale to clay and average production yields around 8 – 10 tons per hectare. The Mediterranean climate of the region, with cold/wet winters and hot/dry summers, results in berries with abundant fruit flavours and high sugar levels at harvest time. Simonsvlei's total production consists of about 9 000 metric tons of grapes delivered by 36 wine farms. Hectares under vine are approximately 1 000 and the main grape varietals are: Cabernet Sauvignon (184ha); Shiraz (115ha); Chenin Blanc (413ha) and Chardonnay (100ha).