Bueng Boraphet is famously known as the "Northern Sea," being the largest freshwater lake in Thailand, covering over 132,737 rai. The lake's landscape is characterized by a vast horizon where the sky meets an endless expanse of water. Serving as a crucial reservoir for the Nan River, it is the cradle of a rich and diverse ecosystem. The water’s surface acts as a giant mirror, reflecting the sky's changing hues—from the golden light of dawn to the vibrant purple and orange of sunset. This lake is not just a body of water but a symbol of abundance that has sustained the life and culture of Nakhon Sawan for generations.