Storforshei, Norway
Grønnligrotta
Grønnligrotta is a marble karst cave in Rana Municipality in Nordland county, Norway. It is located in the valley of Røvassdalen, and was first explored in 1914. It has a total depth of 107 metres and explored length of 2 kilometres.
- City
- Storforshei
- Country
- Norway
- Category
- Nature
- Suggested visit
- About 150 minutes
Background: Wikipedia