How long is the Rio Grande River along the Mexico border?

The Rio Grande River, known as the Río Bravo del Norte in Mexico, has a length of approximately 1,885 miles overall, but the stretch that forms the border between the United States and Mexico is around 1,250 miles. This segment is significant because it serves as a natural boundary between the two countries. This length encompasses various terrains and ecological zones, making it one of the major rivers in terms of both geography and environmental impact.

The other options present smaller figures, which do not account for the entirety of the river’s length along the international boundary. Recognizing the actual measurement is crucial for understanding how this river influences border dynamics, water rights issues, and environmental management in the region.