Piedras Negras is a city found in Coahuila, Mexico. It is located 28.70 latitude and -100.52 longitude and it is situated at elevation 223 meters above sea level.
Piedras Negras has a population of 150,178 making it the 4th biggest city in Coahuila. It operates on the CDT time zone, which means that it follows the same time zone as Saltillo.
|Elevation||223 m over sea level|