The Khwae Yai River, also known as the River Kwai, is located in western Thailand in the province of Kanchanaburi. This historically significant river gained fame from the 1957 film "The Bridge on the River Kwai," which depicts the construction of the Burma Railway during World War II. Visitors can explore the iconic Bridge over the River Kwai, a poignant war memorial and a popular tourist attraction. The surrounding area offers numerous activities, such as visiting the JEATH War Museum and the Kanchanaburi War Cemetery. For nature enthusiasts, the nearby Erawan National Park features stunning waterfalls and scenic hiking trails. A boat trip along the river provides serene views of the lush landscape and an opportunity to experience the local way of life.