Coba is a large ruined city of the Pre-Columbian Maya civilization, located in the state of Quintana Roo, Mexico. It is located about 90 kilometres east of the Maya site of Chichen Itza, about 40 kilometres west of the Caribbean Sea, and 44 kilometres northwest of the site of Tulum, with which it is connected by a modern road. The adjacent modern village reported a population of 1,278 inhabitants in the 2010 Mexican federal census. The site contains several large temple pyramids, the tallest, in what is known as the Nohoch Mul group of structures, being some 42 metres in height or 120 steps up to the top. Nohoch Mul is the tallest pyramid on the Yucatán peninsula.