What are the major rivers in North America and their tributaries?

North America is home to several major rivers, each with their own tributaries. Here are some of the major rivers in North America and their tributaries:

1. Mississippi River:
The Mississippi River is one of the longest rivers in North America, flowing through the United States. Its major tributaries include:
- Missouri River: The Missouri River is the longest tributary of the Mississippi River, joining it near St. Louis, Missouri.
- Ohio River: The Ohio River is another significant tributary, merging with the Mississippi near Cairo, Illinois.
- Arkansas River: The Arkansas River joins the Mississippi near Napoleon, Arkansas.
- Red River: The Red River flows into the Mississippi near Baton Rouge, Louisiana.

2. Colorado River:
The Colorado River is a major river in the southwestern United States and northwestern Mexico. Its tributaries include:
- Green River: The Green River is the largest tributary of the Colorado River, joining it in Canyonlands National Park, Utah.
- Gunnison River: The Gunnison River merges with the Colorado River near Grand Junction, Colorado.
- San Juan River: The San Juan River flows into the Colorado River near Lake Powell, Utah.

3. Columbia River:
The Columbia River is located in the Pacific Northwest region of the United States and Canada. Its tributaries include:
- Snake River: The Snake River is the largest tributary of the Columbia River, joining it near Pasco, Washington.
- Willamette River: The Willamette River merges with the Columbia River near Portland, Oregon.
- Yakima River: The Yakima River flows into the Columbia River near Richland, Washington.

4. Yukon River:
The Yukon River is a major river in Alaska and Canada. Its tributaries include:
- Tanana River: The Tanana River is the largest tributary of the Yukon River, joining it near Tanana, Alaska.
- Porcupine River: The Porcupine River flows into the Yukon River near Fort Yukon, Alaska.

5. Rio Grande:
The Rio Grande is a major river that forms part of the border between the United States and Mexico. Its tributaries include:
- Pecos River: The Pecos River is the largest tributary of the Rio Grande, joining it near Del Rio, Texas.
- San Juan River: The San Juan River flows into the Rio Grande near El Paso, Texas.

These are just a few examples of the major rivers in North America and their tributaries. Each river system plays a crucial role in the region's ecosystem, transportation, and water supply.