Lac Blanc is a glacial lake located in the Vosges Mountains of northeastern France, near the border with Germany. The lake is situated at an altitude of 1,050 meters (3,445 feet) and is surrounded by dense forests and high mountain peaks.

Lac Blanc is a popular destination for outdoor enthusiasts, especially hikers, who come to explore the surrounding trails and take in the stunning mountain views. There are several hiking trails that lead to the lake, ranging in difficulty from easy to challenging.

During the winter months, Lac Blanc is also a popular ski resort, offering a variety of slopes for skiers and snowboarders of all skill levels. In addition to downhill skiing, the area also offers cross-country skiing and snowshoeing.

One of the unique features of Lac Blanc is its crystal-clear water, which is said to be among the cleanest in France. The lake is also home to a variety of fish, including trout and char, making it a popular destination for fishing enthusiasts.