Dunderlandsdalen (Lule Sami: Dunndaravuobme) is a valley in the municipality of Rana in Nordland county, Norway. It reaches from just below the eastern Saltfjellet plateau about 8 miles (13 km) south of the Arctic circle at the mountain Bolna is situated in the uppermost boundary of the valley which then proceeds to the southwest all the way down to the Ranfjorden. Some of the minor side valleys include Plurdalen, Røvassdalen, Bjøllådalen, Grønfjelldalen and Virvassdalen.