In North America, the Rocky Mountains mark the eastern border of the Pacific Slope.
[3] The phrase is still used today mostly for scientific purposes to refer to regions inhabited by specific species.
It includes the states and territories west of the continental divide that runs down the Rocky Mountains in North America.
The region is drained by the Columbia, Sacramento, San Joaquin and Colorado River systems.
In Guatemala, the Pacific Slope region is a humid plain of fertile land divided into widespread plantations (fincas) that grow abundant crops including sugarcane, bananas, and rubber.