Loire Valley In 2000, UNESCO added the central part of the Loire River valley to its list of World Heritage Sites. The valley includes historic towns such as Amboise, Angers, Blois, Chinon, Montsoreau, Orléans, Saumur, and Tours. The climate is favorable most of the year, the river often acting as a line of demarcation in France's weather between the northern climate and the southern. The river has a significant effect on the mesoclimate of the region, adding a few degrees of temperature. The climate can be cool with springtime frost while wine harvest months may have rain. Summers are hot; however, influences
Loire French "départements" of Loiret, Loir-et-Cher, Indre-et-Loire, and Maine-et-Loire, the committee said that the Loire Valley is: "an exceptional cultural landscape, of great beauty, historic cities and villages, great architectural monuments – the Châteaux – and lands that have been cultivated and shaped by centuries of interaction between local populations and their physical environment, in particular the Loire itself." Architectural edifices were created in Loire valley from the 10th century onwards with the defensive fortress like structures called the "keeps" or "donjons" built between 987 and 1040 by Anjou Count Foulques Nerra of Anjou (the Falcon). However, one of the oldest