Take a day trip to explore the surrounding areas of Tachuan. Visit the nearby Tachuan Mountain, where you can hike to the summit for panoramic views of the city and surrounding countryside. Alternatively, you can take a boat tour along the Tachuan River, enjoying the scenic beauty and spotting wildlife along the way. In the afternoon, visit a local tea plantation and learn about the art of tea making. End the day with a relaxing boat ride on Tachuan Lake, watching the sunset over the water.