Lyctos Facula is a bright mountain on one of Jupiter's smallest moons Amalthea. It is believed to have a width of 25 kilometers . It is one of two named that appear on Amalthea, the other being Ida Facula. It was discovered by Voyager 1 in 1979 and in the same year named for the region of Crete in which Zeus was raised. Firstly it was named simply Lyctos.