One of the must-do activities in Wuyishan is hiking in the Wuyishan National Park. The park is known for its stunning natural beauty, with towering peaks, deep canyons, and crystal-clear rivers. There are various hiking trails to choose from, catering to different fitness levels. As you hike, you'll be surrounded by lush greenery and breathtaking views. Don't forget to bring your camera to capture the picturesque landscapes along the way.