Millions of years before the Clone Wars, an atmospheric cataclysm turned it into an icy hibernal surface. Rhen Var was once a fertile paradise filled with vegetation and wild life. Remains of an ancient civilization and old Jedi artifacts were found beneath the ice on the planet, remnants of a former population.
Throughout the history of the Galactic Republic, Rhen Var was covered in ice, rendering it almost uninhabitable. Rhen Var was a planet that had one moon and was situated in the Tion Cluster in the Outer Rim Territories. Star Wars-Planets-Rhen Var at Galactic Voyage