Foothills primarily border mountains, especially those which are reached through low ridges that increase in size closer and closer to the mountain,[2] but can also border uplands and higher hills.[3]
Examples
Areas where foothills exist, or areas commonly referred to as the foothills, include the:
Another word for a foothill region is "piedmont", derived from "foot of the mount" in Romance languages.[4] The Piedmont region of Italy lies in the foothills of the Alps, and several other foothills in other parts of the world are called "piedmont", and include:
Ecosystems of piedmonts (foothills) are often known as submontane zones, relating to the higher montane ecosystems.
References
Look up foothill in Wiktionary, the free dictionary.
Look up piedmont in Wiktionary, the free dictionary.
^Easterbrook, Don J. (1999). Surface Processes and Landforms (second ed.). Upper Saddle River, New Jersey: Prentice Hall. p. 530. ISBN978-0-13-860958-0.