topography

US /təˈpɑː.ɡrə.fi/
UK /təˈpɑː.ɡrə.fi/
"topography" picture
1.

the arrangement of the natural and artificial physical features of an area

:
The topography of the region made road construction challenging.
We studied the topography of the mountain range before our hike.
2.

the study and detailed description of the surface features of a region

:
Cartographers specialize in topography and map-making.
The course covers various aspects of physical geography, including topography.