Introduction to the Sky Ladder: At the end of the rope bridge is the Sky Ladder. The Ladder is 120 meters high and 90 centimeters wide. It is excavated from the bottom of the stream in the Pengxi Water Grotto along the cliff of the waterfall, and connects the two 100-meter waterfalls of the Ladder and Qianlong. The ladder is made of stone strips, steel pipes and poured concrete. There are more than 300 steps in total, with an elevation angle of 70 degrees. It is steep and exciting to go up.