Sanmenxia is a locality located 733.05 km northeast from Beijing in Henan, China. The population of Sanmenxia is 2,034,872 people. Gongyi, Luoyang, Nanyang are located close to Sanmenxia. You can find Sanmenxia on any map using the following decimal coordinates: 34.7736 (latitude), 111.195 (longitude).