Ferdegon was an ice planet of the Ferdeth system. It is located on Ferdeth system, a planet with ice, snow and with powerful freezing cold. This planet became famous at the First mission of Olga Skywalker as the leader of Erthuleim army for investigating it. Later it was discovered from the Sith causing the Battle of Ferdegon between Jedi and Sith in a place that both sides had casualties because of the strong snowstorms and the deadly frost.