3 waterways in Moutains and basins.

1. Rio Grande River: The Rio Grande is a major waterway in the Mountains and Basins region of the United States. It forms the border between Texas and Mexico and flows through majestic canyons and rugged mountains, such as the Franklin Mountains in El Paso.

2. Pecos River: The Pecos River is another significant waterway in the Mountains and Basins region. It originates in New Mexico and flows through west Texas, passing through the Guadalupe and Davis Mountains. It eventually joins the Rio Grande near the border with Mexico.

3. Red River: The Red River forms the northern boundary of Texas and separates it from Oklahoma and Arkansas. It flows through the Palo Duro Canyon in the Texas Panhandle, which is one of the largest canyons in the United States. The Red River is an important water source and recreational area in the Mountains and Basins region.

1. Colorado River: The Colorado River is a major waterway that flows through the Rocky Mountains and several basins in the southwestern United States. It originates in Rocky Mountain National Park in Colorado and flows through the Grand Canyon before emptying into the Gulf of California in Mexico.

2. Danube River: The Danube River is another important waterway that passes through the mountains and basins of Central and Eastern Europe. It originates in the Black Forest of Germany and meanders through ten countries, including Austria, Hungary, and Romania, before emptying into the Black Sea.

3. Yangtze River: The Yangtze River, also known as the Chang Jiang, is the longest river in Asia and passes through several mountain ranges and basins in China. It originates in the Tibetan Plateau and flows through the Three Gorges before reaching its delta and emptying into the East China Sea. The Yangtze River plays a vital role in China's economy, transportation, and ecology.