Ice planet

Ice planets were planets which consisted primarily of icy terrain. The Doctor visited several ice planets on his travels, most notably the planet Calufrax. (TV: The Pirate Planet) The Monk was once trapped by the First Doctor on an ice planet. (TV: The Daleks' Master Plan) One of the planets in the New Earth System was the ice planet High Sierra. (COMIC: Doctor Who and the Dogs of Doom)