will take 2 hours to simatai great wall of china it is only one to open in night, 17:30-22:30 summer, 17:30-21:00 winter you should ride the cable car to up and down, hiking on the wall to view the special night scene: When the night falls, the renowned Great Wall is enlivened by scattered lights. Bathing in the moonlight, you can enjoy the scenery with a lantern that echoes the lights at the mountain foot.