33+ Are There Mountains In The Us Southern Border PNG. The southern border region is one of nine such geopolitical designations in the state of california, united states, used for economic analysis. If you are referring to the southern region of the united states, then mexico borders the southwestern us.
The highest peak is mount mckinley which is located in alaska.
The country has a lot of mountain chains, plains, canyons and even deserts. 5.what are the main industrial branches of us economy? (на севере сша / на юге канады). The highest mountains are the rocky mountains and the sierra nevada.