Trolltunga (the Troll’s Tongue) is one of the most spectacular cliffs in Norway. Formed about 10,000 years ago by glacier erosion and balancing 700 metres above lake Ringedalsvatnet, Trolltunga has become a must-see for many visitors to Norway. It’s not just the view that’s the highlight though, with a long and rewarding hike up and down. Unlike some of Norway’s other scenic viewpoints, this one..