On your final day, embark on a nature and wildlife adventure in Tam Giang Lagoon. Start your day by visiting the Tam Giang-Cau Hai Nature Reserve, a protected area that is home to a wide variety of bird species. Take a boat tour through the reserve and observe the colorful birds in their natural habitat. You can also explore the mangrove forests and spot other wildlife such as monkeys and reptiles. Afterward, visit the nearby Ru Cha Mangrove Forest, where you can take a peaceful walk along the wooden boardwalks and admire the unique ecosystem. End your trip with a relaxing picnic by the lagoon, surrounded by the serene beauty of nature.