Grønnligrotta

Grønnligrotta[1] is a marble karst cave in Rana Municipality in Nordland county, Norway.

[2] It is located in the valley of Røvassdalen, and was first explored in 1914.

It has a total depth of 107 metres (351 ft) and explored length of 2 kilometres (1.2 mi).

The cave is equipped with artificial lights and open for tourists.

This Nordland location article is a stub.