Trefor Jenkins, former dean of the medical school at the University of Witwatersrand, and a human rights activist, was one of six doctors, who questioned the ethics of the medical establishment and the previous South African government after the death, in custody, of Steve Biko, the Black Consciousness leader, in September 1977.
Routes lead onto the hill from the nearby villages of Llithfaen to the south, Llanaelhaearn to the east and Trefor to the north.