Wikipedia
Raggejavreraige
Raggejavreraige or Råggejávrrerájgge is a cave located in a mountain above the Hellemofjorden in the municipality of Tysfjord in Nordland county, Norway. The cave is located near the lake Råggejávrre, about south of the village of Musken. Råggejávrrerájgge is a limestone cave that has been eroded by this underground river. At deep, it is the deepest cave in Scandinavia and the only known deep cave north of the Arctic Circle.