Sancerre (wine) up the eastern most extension of the Loire Valley. The area is more than 300 miles (483 kilometers) from the Atlantic Coast and the Loire region of Muscadet, and is actually closer to the Champagne wine region than it is to the Middle Loire city of Tours and the Vouvray and Chinon AOCs. The distance from the Atlantic gives this region more of a continental climate than typical of the rest of the Loire with short, hot summers and long, cold winters that may extend the threat of frost damage into early spring. The most dominating geographical influence of Sancerre
Loire Channel to its new outfall into the Atlantic Ocean thereby creating the presently seen narrow terrain of gorges, the Loire Valley with alluvium formations and the long stretch of beaches along the Atlantic Ocean. The river can be divided into three main zones; the Upper Loire which is the area from the source to the confluence with the Allier, the middle Loire Valley which is the area from the Allier to the confluence with the Maine, about , and the Lower Loire which is the area from Maine to the estuary. In the upper basin the river flows through a