Overview of Dong valley tour In our Dong Valley Tour we include the most attractive destinations in northeastern state of eastern Arunachal Pradesh Walong, Namsai and Parshuram Kund. Our Dong Valley Tour offers an opportunity to witness the breathtaking beauty of nature, including lush green forests and picturesque valleys. Visit Dong Valley in Arunachal Pradesh, a hidden gem where you can witness India's first sunrise, surrounded by majestic mountains, rivers, and serene landscapes. Dong Valley is a remote and pristine destination in the hills of Arunachal Pradesh, where you can witness the first rays of the sunrise every morning. Learn about the best time to visit, how to reach, what to do, and what to expect in this comprehensive travel guide. Dong is a village in the Dong valley , near the India-China-Myanmar border. It is one of the easternmost villages in India and the location of a peak where tourists can see the sunrise.