The actual hike to Trolltunga lasts between 10 to 12 hours roundtrip. If the roads are open, you’ll get transferred from P2 in Skjeggedal to Måglietopp (P3), in which case, the hike to Trolltunga and back is 20 km (12.4 miles). In case the road between P2 and P3 is closed due to snow, you’ll need to start your hike at P3, making it a 28-kilometer hike (17.4 miles).
Regardless of which option you choose—the 1-day or the 2-day tour—keep in mind that hiking to Trolltunga still means at least 10 hours of hiking. The 1-day tour requires a very good physical condition, while the overnight hike is a bit easier. Any ounce of hiking experience will be of great value on Trolltunga’s slippery rocks.