Mugodzhar Hills (, Muǵaljar taýy; ) or Mugodzhar Range is a series of mountain ranges 275 miles (440 km) long in the Aktobe Region of northwestern Kazakhstan. They are considered to be a continuation of Ural Mountains and connected with Southern Ural by Guberlinskiy hillocks (Губерлинские горы). They form the divide between the Caspian Sea and Aral Sea basins.