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More than 3 km long. Regular guided tours in season.
Setergrotta is a karst cave in Røvassdalen in Rana Municipality in Nordland county, Norway. It has a total depth of 50 metres (160 ft) and an explored length of 2.4 kilometres (1.5 mi). It is probably connected to the nearby Grønligrotta. The cave contains large galleries and sediments from the latest ice age and younger. It was created 200,000–300,000 years ago.
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Grønli cave
About 100 m deep and 2 km length. Artificial lighting inside. Regular guided tours in season, also for families. The most visited cave in Scandinavia.
Crossing the Arctic Circle on the mountain Plateau. The approximate midpoint of E6 in Norway, 1300 km from Kirkenes and 1300 km from Gothenburg.
Dolstad kirke
A stylish octagonal-cruciform shaped wooden church built in 1734, inspired by Bakke church in Trondheim.
Helgeland stairway hike
Outdoor stairway of natural, local stones through the hill above Mosjøen and Vefsn river. About 3000 steps. Will reach the summit at 800 meters above the fjord when complete (expected in 2020 or 2021).
Zipline from Øyfjellet mt across mouth of Vefsna river to downtown Mosjøen.
Herøy kirke
Biggest of the old churches at Helgeland. Built in the 12th century in romanesque style. Unlike the other churches Herøy church has an apse and covered with a hemispherical vault.