Lake Biwa is the largest freshwater lake in Japan, located in Shiga Prefecture. It covers an area of about 670 square kilometers and is known for its diverse ecosystem, including various fish species and unique aquatic plants. The lake is also a vital water source for nearby cities, including Kyoto and Osaka. The lake has a rich history, with evidence of human settlement around its shores dating back thousands of years. It is surrounded by beautiful landscapes, including mountains and parks, making it a popular destination for outdoor activities such as hiking, cycling, and boating.