Saimaa Lake is the largest lake in Finland and is part of the Saimaa lake system. It covers an area of approximately 1,700 square kilometers and is known for its unique shape, featuring numerous islands and peninsulas. The lake is situated in the southeastern part of the country and is surrounded by beautiful forests and small towns. The lake is home to the endangered Saimaa ringed seal, which is one of the rarest seal species in the world. Saimaa Lake is also a popular destination for outdoor activities such as fishing, boating, and hiking, attracting both locals and tourists alike.