Grijalva River
Grijalva River, formerly known as Tabasco River. is a long river in southeastern Mexico. It is named after Juan de Grijalva who visited the area in 1518. The river rises in Chiapas highlands and flows from Chiapas to the state of Tabasco through the Sumidero Canyon into the Bay of Campeche. The river's drainage basin is
in size. Because of the close connection to the Usumacinta River, they are often regarded as a single river basin, the Grijalva-Usumacinta River.
.
After flowing from Nezahualcoyotl Lake, an artificial lake created by the hydroelectric Malpaso Dam, Grijalva River turns northward and eastward, roughly paralleling the Chiapas-Tabasco state border. It flows through Villahermosa and empties into the Gulf of Mexico, approximately northwest of Frontera. The river is navigable by shallow-draft boats for approximately upstream.
