Iešjávri (or Iesjavri) is a large lake on the border of the three municipalities of Alta, Kautokeino, and Karasjok in Troms og Finnmark county, Norway. The lake lies on the Finnmarksvidda plateau about northwest of the village of Karasjok, about northeast of the village of Masi, and about southeast of the town of Alta. The lake is the largest in the county and has a length of over from north to south. The lake has a maximum depth of and an average depth of , making it a characteristic Baltic Shield lake. The lake flows out into the river Iešjohka, a tributary of the large river Karasjohka. See also List of lakes in Norway References and notes External links Web site discussing Iešjávri —includes photographs Alta, Norway Kautokeino Karasjok Lakes of Troms og Finnmark