On the Great Wall at Jiankou, by Zhenbei Tower. Jiankou to Mutianyu Great Wall, 2019/03/10 See 10 photos from the hike from Jiankou to Mutianyu—a cloudy day, and fairly bleak! Were you on this trip? How did you like it? We'd love to hear from you. • Send us feedback • Review it on TripAdvisor • Share this page on Facebook