Loire Valley (wine) time in Angers (Anjou): With over planted under vine, the Loire Valley is about two-thirds the size of the Bordeaux wine region. Due to its location and marginal climate, the overall quality of a vintage has a dramatic effect on the quality of the region's wines—more so than with other French wine regions. The most common hazard is that the cool climate will prevent the grapes from ripening fully and developing the sugars needed to balance the naturally high acidity of the grapes. During these cool vintages the Sauvignon blanc based wines are lighter in color, less fruity and have
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.