Which River is the Longest One in the State of Colorado?
America's longest river is the Missouri River which measures an amazing 2,341 miles from the Centennial Mountains of Southwestern Montana to the Mississippi river.
In Colorado, our longest river isn't as long as the Missouri River, but it is the 4th longest river in America. Do you know which one is the longest in our state?
How Many Rivers are in Colorado?
A total of 158 rivers run through the great state of Colorado. 156 of them have headwaters located in Colorado. The two that begin outside the state include the Green River and the Cimarron River.
What are Colorado's 10 Longest Rivers?
The 10 most significant rivers in the state of Colorado include The Rio Grande, Arkansas River, Colorado River, Canadian River, Green River, North Platte River, Cimarron River, Smoky Hill River, South Platte River, and the San Juan River. We will zoom in on each river in the photo gallery below to learn more about where they start and end.
Which River is the Longest One in Colorado?
Colorado's longest river is the Rio Grande. The headwaters start in the San Juan Mountain Range and flow all the way to the Gulf of Mexico at Brownsville, Texas. The Rio Grande is over 1900 miles long. Take a closer look at Colorado's 10 longest rivers below.