Da Dia Rapids is another natural wonder in Phu Yen that you should not miss. It is a series of cascading waterfalls formed by volcanic rocks. The rushing water creates a mesmerizing sight and a soothing sound. Take a hike along the trails surrounding the rapids and enjoy the lush greenery. It's a great opportunity for your family to connect with nature and have an adventurous experience. Don't forget to bring your camera to capture the beautiful moments.