Tai-an Waterfall is set in the heart of Mount Caolan in Qidu. The forest in the mountain area is well-preserved as it is headwaters protection forestry. A tiny fall pours down from mossy rocks and forms a green pond full of swimming fish.

　　 Next to the waterfall is a picnic area for visitors to barbecue. In the summer, visitors can enjoy the cold water. You can also walk up the mountain footpath near the waterfall to immerse yourself in the forest. As the forest is located in the inland, mountains protect it against the influence of monsoons, making it beautiful and pleasing all year round.