Tazawa is a picturesque lake located in Akita Prefecture, Japan. It is known for its stunning blue waters and is the deepest lake in the country, reaching depths of about 423 meters. Surrounded by lush forests and mountains, Tazawa attracts visitors for its natural beauty and recreational activities such as boating and hiking. The lake is also famous for the legend of Tazawa-ko, a beautiful girl who fell in love with a young man. According to the tale, her tears formed the lake when she lost him. Today, Tazawa is a popular destination for both tourists and locals seeking tranquility and scenic views.