The Great Divide.
Most, yes. All, no. The biggest westward flowing rivers are the Miño, Duero, Tajo, Guadiana, and Guadalquivir. The largest eastward flowing river is the Ebro.
The five rivers that flow eastward, four of which empty into the Mississippi River, are the Missouri River, Ohio River, Arkansas River, and Red River. The fifth river, which also flows eastward but does not empty into the Mississippi, is the Tennessee River. These rivers are significant tributaries that contribute to the Mississippi River system.
Some east-flowing rivers are the Mahanadi, the Godavari, and the Krishna. Also on the list are the Subarnarekha, the Brahmani, and the Baitarani.
because they are not high points of elevations and divides are high points of elevation
Most Colorado rivers flow generally westward, toward the Pacific Ocean. The state is characterized by its mountainous terrain, which influences river courses to move from the Rocky Mountains downhill. However, some rivers, particularly those in the eastern part of the state, flow eastward into the Great Plains and eventually reach the Gulf of Mexico. The flow direction is largely determined by the elevation and topography of the region.
Jura Mountains
In rivers and lakes of the U.S., from the Mississippi river eastward. Introduced in other locations.
Continental divide.
Snake Willamette
Ancient rivers in Arizona primarily flowed from north to south, influenced by the region's topography and geological features. Many of these rivers, such as the Colorado River, carved through the landscape, creating canyons and other geological formations. Additionally, some rivers may have also flowed westward toward the Pacific Ocean or eastward to the Gulf of Mexico during different geological periods. Overall, the river systems played a crucial role in shaping Arizona's diverse landscapes.
lakes and rivers