Lake Serre-Ponçon is a large artificial lake located in the Hautes-Alpes region of France. Created in the 1960s by the construction of the Serre-Ponçon Dam, it covers an area of approximately 28 square kilometers and is one of the largest reservoirs in Europe. The lake is fed by the Durance River and is surrounded by stunning mountain scenery. The lake serves multiple purposes, including hydroelectric power generation, irrigation, and recreational activities. It is a popular destination for water sports such as sailing, kayaking, and fishing. The surrounding area also offers hiking trails and picturesque views, attracting tourists year-round.