These municipalities are: Candes-Saint-Martin, Chouzé-sur-Loire, Fontevraud-l'Abbaye, and Turquant. The Loire river, nicknamed "the last wild river in Europe", is the longest river in France (). It is one of the main tourist attraction in Montsoreau, it reaches here, at the confluence of the Vienne and the Loire rivers, its full width. Downstream, it has already been inflated with waters from the Indre and the Cher rivers. The river bed has considerably changed over centuries, before the great flood of January 1496 the confluence of the Loire and the Vienne rivesr was in Saumur. The climate of Montsoreau, is characterized by the high sunshine of the Loire Valley, a favorable region for wine and cultivation of fruits. Important oceanic influences as well as the immediate proximity of the Loire river make Montsoreau benefit from a climate called (sweetness of Anjou). This climate has been characterized by Joachim du Bellay in "The Regrets" (poem 31) as soon as the 16th century. Summer is hot and dry and winter is mild and wet. Precipitation is low to medium during inter-season. The wind is characteristic of the Loire corridor, medium and relatively constant. Montsoreau has a remarkable and listed heritage with historical, urban, natural and architectural dimensions. The small city is part of the Loire Valley UNESCO World Heritage Site and listed among "The Most Beautiful Villages of France" (). Montsoreau has some architecturally noteworthy buildings in a very wide range of style over a long period of time. From underground living to the château de Montsoreau one of the most famous châteaux of the Loire Valley and the only one entirely dedicated to international contemporary art. Although the construction of the Montsoreau bridge at the beginning of the 20th century completely altered the link the village had with the river, it is nonetheless a technical challenge and a major architectural project that has modernized Montsoreau. It remains nowadays one of . The ENS Loire Valley () encompasses the Loire and its right bank, as well as part of the village of Monsoreau and vineyards of the left bank. This ENS is characterized by the presence of many species and habitats of species of interest and/or protected at national or regional level. It is represented by the banks, the islands, the alluvial woods and the bed of the Loire river.