Join 教育・家族 upcoming events being held in Amphoe Tha Muang. Amphoe Tha Muang is a charming district located in the western province of Kanchanaburi, Thailand, known for its lush orchards, historical sites such as the Tha Muang Immigration Checkpoint used during the Thai-Burmese war, and the famous Tha Muang National Park, which houses the Two-Color River, where the rivers Run and Mae Klong meet and create a unique phenomenon of water of different colors flowing parallel for a while, making it a popular destination for both local and international tourists.