- For other uses, see The Hill (disambiguation) and Hill (disambiguation).
A hill is a landform with a distinct summit that extends above the surrounding terrain in a limited area. The distinction between a hill and a mountain is unclear and largely subjective, but a hill is generally somewhat lower and less steep than a mountain.
Hills may form through a number of geomorphic phenomena: faulting, erosion of larger landforms, and movement and deposition of sediment by glaciers (eg. morraines and drumlins). The rounded peaks of hills results from the diffusive movement of soil and regolith covering the hill, a process known as downhill creep.
In the United Kingdom, the Ordnance Survey traditionally reserves the name "mountain" for peaks above 1000 feet (305 m), a limit which features in the film The Englishman Who Went Up a Hill But Came Down a Mountain. The Oxford English Dictionary, conversely, suggests a limit of 2000 ft (610 m) for mountains in Great Britain.
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