What's the difference between hills and mountains?

The highest peak is Harney Peak at 7242 feet of elevation and 2922 feet of prominence from the surrounding landscape. The Black Hills received their name from the Lakota Indians who called the mountains Paha Sapa, or 'black hills.' Source. read more

Hills and mountains are both natural land formations that rise out of the landscape. Unfortunately, there is no universally accepted standard definition for the height of a mountain or a hill. This can make it difficult to differentiate the two. read more

Sometimes the difference is that mountains are named while hills may not be. Instead of relying on heights or drops, the definition in this way depends on local agreement that something is a mountain and deserves a name. There is a film that references the old UK definition of the difference between a mountain and a hill. read more

The difference between hills and mountains is their size, and height. Hills are lower and less steep, and generally have rounded tops rather than jagged peaks. There is no absolute height measurement which separates hills from mountains. read more