The Gizeldon River, also Gizel' don (Russian: Гизельдон, Gizeljdon; Ossetian: Джызæлдон, Džyzældon), is a river in North Ossetia–Alania just west of Vladikavkaz. It drains the northern slopes and glaciers of Mount Kazbek north to the Terek River. It flows for 81 kilometres. A valley with many cliffs and a 4000 metre peak, the area is prone to avalanches; 30 were reported in 1967-1968. The terrain is described as having "craggy, gashed terrain", with cattle breeding, lumbering, and lead-zinc mining being the principal economic pursuits of the people of the Gizeldon valley. A hydroelectric plant has been built on the Gizeldon River.