The municipality is situated along the upper river basin of the Deatnu / Tana river, and its tributaries An�rjohka and K�r�johka, and includes large tracts of the high plateau of Finnmarksvidda. Lakes in the region include G�sadatj�vri. The river valley, unlike the plateau, is covered with pine and birch forest.
At Karigasniemi there is an official border crossing with Finland, and the European route E6 is passing through on its way from Lakselv to Deatnu - Tana. The nearest airport is Lakselv Airport, 80 km from Karasjok
