A hill's a landform that extends above the surrounding terrain, in a limited area. Hills often have a distinct summit, although in areas with scarp/dip topography a hill may refer to a particular section of scarp slope without a well-defined summit (for example Box Hill). A hillock's a small hill. Terminology The distinction between a hill and a mountain's unclear and largely subjective, but a hill's generally somewhat lower and less steep than a mountain. In the United Kingdom geographers hist… (More on Hill)