The two parishes Särna and Idre were ceded to Sweden from Norway under the treaty of Brömsebro on 13 August 1645. In 1971 the three municipalities Särna, Idre (which itself had been split off from Särna in 1916) and Älvdalen were amalgamated to form the present municipality.
the two parishes särna and idre were ceded to sweden from norway under the treaty of brömsebro on 13 august 1645 in 1971 the three municipalities särna idre (which itself had been split off from särna in 1916) and älvdalen were amalgamated to form the present municipality