Foothills are geographically defined as gradual increase in elevation at the base of a mountain range, higher hill range or an upland area. They are a transition zone between plains and low relief hills to the adjacent topographically higher mountains, hills, and uplands.
Areas where foothills exist, or areas commonly referred to as the foothills, include:
- The Sierra Nevada foothills of California
- The Foothills of the San Gabriel Valley in Los Angeles County, California
- The Colorado Front Range along the Rocky Mountains in Colorado
- The Wasatch Front along the Wasatch Mountains in Utah
- The Rocky Mountain Foothills in British Columbia and Alberta, Canada
- The Alpine foothills around the European Alps
- The Silesian Foothills in Silesia
- The Siwalik Hills along the Himalayas in the Indian subcontinent
- The Catalina Foothills in Tucson, Arizona
- The foothills in Western North Carolina and Northwestern South Carolina
- The Margalla hills near the Himalayas in Pakistan
- The Duars, Chos and Terai on the foothills of Himalayas (India)
- The foothills around Boise in Idaho
- 'The foothills' of the Dandenong Ranges in Melbourne, Australia. Generally the area from Ferntree Gully/Boronia/The Basin through to Belgrave.
They are also known as submontane zones, especially when referring to montane ecosystems.
- Physical Geography - Juanico, Meliton - Google Books. Books.google.com. Retrieved 2014-05-15.
- "foothill". Merriam-Webster. Retrieved 9 April 2016.
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