The tallest mountain in the Fiordland region is Mount Tūtoko at , one of several peaks over 2,000 meters in the Darran Mountains. Southeast of this area, there are only a handful of peaks reaching 2,000 meters, however due to the rainy weather with cold winters and lack of hot summer temperatures, even these mountains contain glaciers and peaks with permanent snow cover. The southernmost glacier is situated on Caroline Peak, which only reaches , and in the southwest of Fiordland the altitude for permanent snowfields lowers to under .