Vouvray (wine) often the last in France to be completed, potentially lasting until November. When sweet and botrytized wine are being produced, the harvest is often very labor-intensive, involving successive "tries" or passages through the vineyards with harvesters hand-picking only the ripest berries. Vouvray produces more than a million cases of wine a year. The traditional style of winemaking in Vouvray is a minimalist approach, often using neutral fermentation vessel such as stainless steel and not submitting the wine to malolactic fermentation. While some winemakers are experimenting with oak, very few wines are made with new oak. Vouvrays are usually bottled early
Loire Nivernais. The monarchy of France ruled in the Loire Valley for several centuries, giving it the name of "The Valley of Kings". These rulers started with the Gauls, followed by the Romans, and the Frankish Dynasty. They were succeeded by the kings of France, who ruled from the late 14th century till the French Revolution; together these rulers contributed to the development of the valley. The chronology of the rulers is presented; in the table below. The source of the river lies in the eastern Massif Central, in springs to the south side of Mont Gerbier de Jonc at .