Eucalyptus cretata, Darke Peak mallee, is a mallee or, rarely, a small tree restricted to the upper Eyre Peninsula in South Australia, particularly near Darke Peak and Carrapee Hill. The bark is smooth, grey over coppery underbark, shedding in ribbons, branchlets are shiny red or brownish green, glaucous, buds and fruit is glaucous. Adult leaves are stalked, alternate, lanceolate, to 15 x 3 cm, concolorous, slightly glossy and dark green. White flowers appear in mid summer.