Amap that shows the elevation changes in a mountainous region is called a map.

A map that shows the elevation changes in a mountainous region is called a topographical map.

Topographical Map.

Explanation:

This map is characterized a large scale detail of the quantities represented in the form of a relief or contour lines and it shows both man-made and natural features on the terrain of the earth. It consists of a map series that has equal elevations and is used for planning and architecture and the other geographical fields. The various feature on the maps is shown by the conventional signs and symbols that are published on the topographic sheet. Similar there may be large scale and small scale maps.

Ithink i might know wait one second let me serve