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Limestone cave, 580 m deep and thus probably Scandinavia's deepest. It is possible to enter near the top of the cave, look out of it halfway and exit at sea level, but this requires technical climbing. There have been tours, check.
Raggejavreraige or Råggejávrrerájgge is a cave located in a mountain above the Hellemofjorden in Hamarøy Municipality in Nordland county, Norway. The cave is located near the lake Råggejávrre, about 2 kilometres (1.2 mi) south of the village of Musken. Råggejávrrerájgge is a limestone cave that has been eroded by this underground river. At 580 metres (1,900 ft) deep, it is the deepest cave in Scandinavia and the only known deep cave north of the Arctic Circle.
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