The Rio Grande begins in what state?

Answer 1

The Rio Grande flows from its headwaters in the San Juan Mountains of southern Colorado for 1,865 miles to the Gulf of Mexico near Brownsville, Texas. For 1,250 miles, the Rio Grande is the boundary between the United States and Mexico.

http://www.nps.gov/rigr/

Answer 2

The source of the Rio Grande or (The Mexicans refer to the river as Rio Bravo del Norte or just Río Bravo) is located in the Canby Mountains Colorado, USA.

See related ink for a pictorial of it's course

Answer 3

The headwaters of the Rio Grande are located in the San Juan Mountains in southern Colorado. It flows along the Texas border and empties into the Gulf of Mexico.

Answer 4

The Rio Grande beings in the state of Colorado. It measures 1,896 miles in length and is a border between the country of Mexico and the U.S.

Answer 5

San Juan mountains in south Colorado