? Do prepare well for hiking. Please take your trekking pole, hiking boots, windbreakers, sun protection, waterproofs etc. as necessary. ? Do bring water and food. There are no shops on the wall, and restaurants are way down in the valleys. ? Do experience the toboggan slide way to descend the Great Wall if you visit Badaling or Mutianyu — especially if with kids. ? Do visit Badaling, Juyongguan, or Mutianyu if you have mobility issues. These Great Wall sections are (more) wheelchair-friendly. ? Do bring toilet paper and use the valley restrooms before ascending the Great Wall, since there are no toilets on the wall.