Ganh Da Dia, also known as the Cliff of Stone Plates, is a unique geological formation in Phu Yen. It is a must-visit attraction for nature lovers and couples seeking a romantic experience. The cliff is made up of thousands of hexagonal basalt columns, resembling a giant mosaic. Take a leisurely walk along the cliff, marveling at the natural beauty and enjoying the breathtaking views of the ocean. This surreal landscape provides a perfect backdrop for a romantic photoshoot or a quiet picnic with your loved one.