The park is made up of three types of landscape, sometimes difficult to differentiate between: large valleys, massive mountains, and high plateaux. The largest valley of the park, which is also the most noted, is the Rapa Valley. This valley occupies of the park, including several branches, the most important of which are the Sarvesvagge, which climbs as far as Padjelanta, the Kuopervagge — with an area of nearly  — and the Ruotesvagge, surrounded by numerous glaciers, including those of Mount Sarektjåkkå. Among the other notable valleys, outside the Rapadalen network, are the Kukkesvagge that makes up the north-eastern border of the park, and the Njåtsosvagge near the southern border. The largest plateau is the Ivarlako, east of the Pårte massif, with an altitude starting at . West of Pårte, the Luottolako plateau covers an area of and has an even higher altitude at .