The Giant bushy-tailed cloud rat or Luzon bushy-tailed cloud rat (Crateromys schadenbergi), is a species of bushy-tailed cloud rat in the family Muridae. It is only found in pine and mossy forest at altitudes of 2,000–2,740 metres (6,560–8,990 ft) in the Central Cordillera of Luzon, in the Philippines. Relatively little is known about its behavior, but it is nocturnal, mainly arboreal and feeds on various types of vegetation.