https://youtu.be/kKaI5Kr0BEA Presidio of San Francisco . The Presidio of San Francisco (originally, El #Presidio Real de San Francisco or The Royal Fortress of Saint Francis) is a park and former U.S. Army post on the northern tip of the San Francisco Peninsula in San Francisco, California, and is part of the Golden Gate National Recreation Area. It had been a fortified location since September ..