Lake Vanajavesi is a large lake located in southern Finland. It is part of the Kanta-Häme region and is known for its scenic beauty and recreational opportunities. The lake covers an area of approximately 40 square kilometers and has a maximum depth of about 30 meters. The lake is fed by several rivers, including the Kymijoki River, and is connected to other bodies of water in the region. It is popular for activities such as fishing, boating, and swimming, attracting both locals and tourists who enjoy its natural surroundings.