Definition: A landform that extends above the surrounding terrain in a limited area. A mountain is generally steeper than a hill, but there is no universally accepted standard definition for the height of a mountain or a hill although a mountain usually has an identifiable summit and a local relief of more than 300m.
Definition: Forest associated to intermittent water courses, which can be wide (riverine) or narrower and with the canopy meeting over the river (gallery)
