 These Districts are located in the foothills of the Andes mountains between elevation.Argentine vintner Nicolas Catena Zapata has been widely credited for elevating the status of Argentine Malbec and the Mendoza region through serious experimentation into the effects of high altitude.In 1994, he was the first to plant a Malbec vineyard at almost elevation in the Gualtallary sub-district of Tupungato, the Adrianna Vineyard, and to develop a clonal selection of Argentine Malbec.