Altai Mountains
Siberia's western border is the Ural Mountains.
The Sierra Nevada mountains are located in the western United States. They are located on the border of California and Nevada.
Yes, there are the Rocky Mountains on the western border.
The Rocky Mountains formed the western border of the Louisiana Purchase.
The Rocky Mountains border the western side of the city, while the Appalachian Mountains border the eastern side.
Allegany Mountains or the Blue Ridge Mountains
The majority of China's mountains are located in the western and southwestern regions of the country. Notably, the Himalayas run along the southwestern border with countries like Nepal and India, while the Kunlun and Tian Shan mountains are located in the western part of China.
The Pyrenees mountains are located around the border of the Iberian peninsula!
Germany's western border is with France, Belgium and Holland .
The Appalachian Mountains marked the Western border of the newly-founded USA.
The Ural Mountains are located in Russia, running approximately north to south through the western part of the country. They serve as a natural border between Europe and Asia.
The Canadian mountains are located in western Canada, mainly in the provinces of British Columbia and Alberta. They extend from the United States-Canada border in the south to the Yukon Territory in the north.