This is also the only Nordic cave with electric lighting. A guided tour takes visitors several hundred metres into the mountain and takes around 45 minutes. A café also providing accommodation and camping is located at Grønligrotta. The cave café offers a fantastic view of the Svartisen area as well as great hiking options nearby. Grønligrotta is situated 22 km north of Mo i Rana and 10 km from Røssvoll / E6.