Their southern end contains Sanarka River and is at Mugodzhar Hills, and Nazi war plans drawn up by Hitler established this range as a future border of the Reich.  
A subset of this mountain range is known as the Research Range and contains Mount Reguly and its tallest mountain, which is sometimes called "People's Mountain". Their southern end contains Sanarka River and is at Mugodzhar Hills, and Nazi war plans drawn up by Hitler established this range as a future border of the Reich.  These are near the towns of Orsk and Yekaterinburg, and like the river it shares its name with, it is located in Kazakhstan and Russia. Name this natural border between the continents of Europe and Asia.
A subset of this mountain range is known as the Research Range and contains Mount Reguly and its tallest mountain, which is sometimes called "People's Mountain".
{Ural} Mountains [or Urals]