Grønligrotta
| Grønligrotta
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 Glacier pot in Grønligrotta |
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| Location: | Røvasdal (Fylke Nordland , Norway ) | |
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Geographic location: |
66 ° 24 '47.2 " N , 14 ° 16' 27.6" E | |
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| Type: | Limestone cave | |
| Overall length: | 4000 m | |
The Grønligrotta ( Eng. Grönli Cave ) is a 4000 meter long limestone cave in Røvasdal , 8 km north of the Norwegian town of Mo i Rana . The deepest part of the cave is 107 meters lower than the entrance. Grønligrotta is the best-known and most easily accessible limestone cave in Rana. The grotto was discovered around 1750 by the first settlers in Gronlia. Rock carvings by Hamarhaug