The Great Wall of China The Great Wall, or Chang Cheng in Chinese, is massive. It begins in the east at the Yellow Sea, travels near China's capital, Beijing, and continues to west through numerous provinces. It winds like a snake through China's varied terrain for thousands of miles. Smaller walls extend from the main wall. According to conservative estimates, the Great Wall's length is approximately 2,400 miles. Its thickness rangers from 15-30 feet wide, and it reaches in height to about 25 feet. The Great Wall has been considered as one of the world's wonders. The Great Wall is undeniably one of humankind's most prominent and enduring architectural feats. It is a testament to people's ability to plan, organize, create and work diligently together. The wall is a monument to the Chinese civilizations, one that came at great costs and through countless sacrifices. Where is the Great Wall located?