 The city of Colmar has a sunny microclimate; it is the second driest city in France, with an annual precipitation of 600 mm, making it ideal for "vin d'Alsace" ("Alsatian wine").Alsace has an area of 8,283 km2, making it the smallest "région" of metropolitan France.It is almost four times longer than it is wide, corresponding to a plain between the Rhine in the east and the Vosges mountains in the west.