We commence ride today after an hour of vehicle driving on the beautiful coast road. Upon arrival by the River, we bike 1km on the small wooden bridge connecting to tiny villages among coconut trees. Enjoy ocean views, see colourful circular bamboo boats at small fishing villages, then explore rustic farms to Da Dia Reefs. The seashore area is about 100 meters wide and 250 meters long, composed of an estimated 35,000 columns of basalt rocks. The rocks are dark lava columns with roughly flat surfaces of different shapes - round, pentagon, hexagon, polygon etc. Stopp to take a walk down the areas for a short break and photo taken. Followed as planned, we cycle on narrow pathways along the local beaches, pass by some little markets to the lively lagoon. There is another opportunity for us to admire hundreds of floating fish farmings on the lagoon. Afterwards, the ride continues, cross the rivers and explore idyllic villages on undulating paths, pass colourful ancient temples and pagodas. View the landscapes of nature through sweet potato fields, tapioca fields, rice paddy to Tuy Hoa city. After lunch in Tuy Hoa city, we enjoy 2.5 hours transfer to Nha Trang.