Vouvray (wine) towards drier styles of wine including sparkling Vouvray. More warmer climate years promote the production of sweeter, dessert style wines. The northern location and relatively cooler climate combines to make harvest in Vouvray one of the last to completed in France, often lasting into November. Vineyards are usually planted on the plateau above the river bank in soils composed of gravel and clay on top of tuffeau. Chenin blanc is the dominant and nearly exclusive grape of Vouvray. While the obscure minor grape Arbois is permitted in the Vouvray AOC, it is rarely seen. With more than 5,000 acres (2,000
Loire lower Loire found its source upstream of Orléans in the region of Gien, flowing westward along the present course. At a certain point during the long history of uplift in the Paris Basin, the lower, Atlantic Loire captured the "palaeo-Loire" or "Loire séquanaise" ("Seine Loire"), producing the present river. The former bed of the "Loire séquanaise" is occupied by the Loing. The Loire Valley has been inhabited since the Middle Palaeolithic period from 40–90 ka. Neanderthal man used stone tools to fashion boats out of tree trunks and navigated the river. Modern man inhabited the Loire valley around 30 ka.