Thestor montanus, the mountain skolly, is a butterfly of the family Lycaenidae.

It is found in South Africa, where it is found in fynbos covered high mountain slopes in the south-western West Cape, from Caledon to the Hottentots.

They can present both dark and pale color morphs.

[3] Adults are on wing from October to February, with a peak in November.

This Miletinae-related article is a stub.