There has been a lot of talk about high altitude vineyards. It is a relative term, when it comes to viticulture. A grapevine can thrive at very high altitudes as the highest vineyards in the world are in Tibet at 3,563 metres above sea level and in Argentina at 3,111 metres. Some of South America ’s winegrowing areas – Argentina’s Salta and Chile’s Elqui Valley – have vineyards above 2,000m,
