Southern Ural - the south, the widest part of the Ural Mountains, stretches from the river Ufa to the Ural River. From the west and east of the Southern Ural is limited to the East European, West Siberian Plain and the steppes near Aral Sea and Caspian sea.
The highest peak - Mount Yamantau - 1640 m. Due to the wide abutting the foothills of the Southern Ural extends up to 250 km with an average width of the Ural Mountains from 40 to 150 km.
The length of the Southern Ural - 550 km.
Wikipedia https://en.wikipedia.org/wiki/Southern_Ural
Coordinates 53°59'60" N 58°0'0" E