Orachrysops montanus, the Golden Gate blue, is a butterfly of the family Lycaenidae. It is found in South Africa, where it is known from montane grassland in the Golden Gate Highlands.
The wingspan is 28âÂÂ36 mm for males and 24âÂÂ30 mm for females. Adults are on wing from December to January. There is one generation per year.
The larvae feed on Indigofera species.