Crossing this small gorge on the Lardalstigen is definitely worthwhile and not particularly dangerous. However, you should be careful when descending because of the wetness and people with claustrophobia should avoid this detour altogether.
A 7 km long gravel and narrow path leads to Ravnejuv (Raven Gorge). It's worth the detour if you're in the mood for some great nature (a 350-metre drop above …