The altitude of this park is between 230 and 800 meters and plants grow very well here because of the huge amount of water vapor. This place is nicknamed Wawagu (Wawa Valley in Chinese) because of the loud sounds made by frogs and insects to attract mates during the mating season. The splendid water flow of Neidong Waterfall in the park is an impressive sight. It is said that in Taiwan the park has the largest quantity of anion, also known as vitamin in the air, which has many health benefits. *NT65 and NT 80 for adult ticket on non-holidays and holidays respectively. NT 40 for hallf-price ticket.