Mannen
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It's not just Trollveggen and Romsdalshorn that are internationally known. The mountain Mannen has attracted interest because of its history of instability. A special feature of Mannen is the presence of several large cracks in the mountain. These crack systems allow water to penetrate into the mountain, increasing the risk of instability. The mountain has become a study object for geologists, engineers, and researchers because of the complex geological processes occurring and the threat it poses to the population and infrastructure in the area. Monitoring of Mannen started in the early 2000s when it became clear that there was a significant risk of a massive landslide. Monitoring systems were installed to measure movements in the mountain, making it possible to warn the population and act when there were signs of increased risk of landslides. From 2017 to 2019, large movements were registered in the mountain. The local population was repeatedly evacuated from their homes in anticipation of a larger landslide. The case received much media attention, and in April 2019, parts of Veslemannen collapsed, but the expected large rockslide did not occur. The mountainside around Mannen is still under constant monitoring.