Irmen culture (Russian: Ирменская культура, romanized: Irmenskaya kul'tura) is an indigenous Late Bronze Age culture of animal breeders in the steppe and forest steppe area of the Ob river middle course, north of Altai in western Siberia, dated to around the 9th to 8th centuries BCE.
Migrations raised military tensions, noted in emergence of first fortified settlements with moats and ramparts.
[5] Irmen people buried their deceased by inhumation in kurgan cemeteries, with up to 17 predominantly oriented SW graves in a single kurgan, bodies in crouched position, except when inhumation was conducted after ground thawed or bodies were first exposed, and bone remains were mixed.
Kurgans were encircled by sometimes rectangular trenches open at the entrance, deposits include vessels and animal bones of funeral feasts.
[7] The phenotype features of Irmen people are distinctive, they developed from the local Eneolithic culture, in its formation participated Caucasoid population of Eastern Mediterranean type, migrants from Central Asia.