A bluff and a cliff are both geological formations that rise steeply from the surrounding land or water, but they have distinct characteristics.
A bluff is typically a type of river bank or coastal land that has been eroded over time, resulting in a steep face. Bluffs are often less than 50 feet in height and may have a gentle slope leading to the top or a more abrupt rise. They can be found near rivers, lakes, and the ocean, usually characterized by vegetation, such as trees and shrubs, growing along the edge.
On the other hand, a cliff is a more dramatic, vertical or nearly vertical rock face, often found in mountainous regions or alongside intense geological formations. Cliffs can be much higher than bluffs, sometimes reaching hundreds or thousands of feet. They are often bare of vegetation due to their steepness and the difficulty for plants to grow in such a precarious environment.
In summary, while both bluffs and cliffs are steep landforms, bluffs are generally lower, have more vegetation, and are often situated near bodies of water. Cliffs are typically more vertical, taller, and often feature less plant life due to their sheer faces.