Spend the third day exploring the Long Thanh and Vinh Cuu districts of Dong Nai. Start your day by visiting the Long Thanh Golf Club, a world-class golf course surrounded by beautiful landscapes. If you're not into golf, you can opt for a relaxing spa day at one of the wellness centers in the area. In the afternoon, head to Vinh Cuu District and visit the stunning Giang Dien Waterfall. Take a refreshing dip in the crystal-clear waters and enjoy the natural beauty of the surroundings.