[2] The Mountain Skink is found is isolated populations in suitable rocky woodland habitat throughout southeastern Australia,[3] in montane to alpine environments up to 1800 meters elevation.

The species has been recorded from Victoria, New South Wales, and the ACT.

A 2021 paper[4] identified a population of the species in the Wombat State Forest in the Western Uplands of Victoria, over 150 kilometers further west of the species known extent at the time.

[4] The species may inhabit lower elevation montane habitat throughout central and western Victoria, but has gone undiscovered, or misidentified as the visually similar White's skink.

[4] The Mountain Skink is listed as nationally Endangered under the EPBC Act.