1. Gentle slope and steep slope — In a steep slope, the contours are drawn close to one another while in a gentle slope they are wide apart.
2. Plateau — A plateau or a table land is an uplifted piece
of flat land with slopes on all sides. On a contour map, plateaus are marked by contour lines very close to each other on all sides while there are none or very few lines at the centre.
3. Hill — A hill is of a lower elevation than a mountain. It has uniform steepness on all sides. The contour lines of a hill are evenly spaced in the form of concentric circles.
4. Col — A col is formed when land has been cut considerably between two streams in a watershed. A col can be identified by a drop in height of the contours.
5. Pass — Passes are low valleys or opening lying between two peaks in a range of hills. A pass is indicated by a drop in height of contours.
6. Gap — A gap is a low lying depression or a valley which cuts through a range of hills It is often occupied by a river.
