Ilek (river)

Ilek
Елек / Илек
Physical characteristics
SourceMugalzhar
  coordinates51°30′35″N 53°22′08″E / 51.5097°N 53.3689°E / 51.5097; 53.3689
MouthUral
Basin features
ProgressionUralCaspian Sea
Tributaries 
  leftKhobda
  rightKargaly

The Ilek (Kazakh: Елек / Elek, IPA: [jeˈlʲek]; Russian: Илек, IPA: [ɪˈlʲek]) is a river in the Aktobe Region, Kazakhstan, and Orenburg Oblast, Russia. It is 149 kilometres (93 mi) long, and has a drainage basin of 13,700 square kilometres (5,300 sq mi).

The river basin is of archeological significance. There are burial sites of ancient Kurgan (Indo-European) cultures.