Bjoreidalen is one of the classic bird localities on Hardangervidda. It is especially known for its wading birds, with as many as 17 of the 19 wader species that nest in Hordaland.
At Fruo, nature has built its own little "Chinese wall ". Some kilometers south of the Vøringsfossen waterfall, there are a number of moraine ridges, the longest and most notable of their kind in Hordaland.
The Eidfjord terrace is a gigantic ridge that reaches up more than one hundred metres from the city centre in Eidfjord. It serves as a powerful natural monument left behind by the ice when it retreated.
The Ruff lek on Langvassmyrane is the only known phenomenon of its kind on Hardangervidda. Every year it attracts hens from the whole plateau. The marsh is also the richest wetland in the county. This green oasis is located in a rocky moraine landscape a few hours walking distance south of Dyranut.
On the 10th of August, 1937, over half of the agricultural land in Simadalen was submerged by the river. The damage to roads and houses was also catastrophic. This was the most destructive flood ever recorded in Hordaland.