Foothills are geographically defined as gradual increases in elevation at the base of a mountain range. They are a transition zone between plains and low relief hills to the adjacent topographically high mountains.
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Examples
Areas where foothills exist, or areas commonly referred to as the foothills, include:
- The Foothills of California in 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 Himalyas(India)
Synonyms
Another word for a foothill region is "piedmont". The Italian Piedmont region lies in the foothills of the Alps, and several other foothills in other parts of the world go by similar names.