The Friends of Blair Mountain website says the event is set to begin in Marmet June 6.
Labor union members, preservationists, environmental activists and others plan to march 10 miles a day, arriving in Blair June 11 and making the final push to the mountain’s crest.
Blair Mountain was briefly added to the National Register of Historic Places, then removed when landowners complained.
Federal law bars sites from inclusion when a majority of landowners object.
The event commemorates the 90th anniversary of the 1921 uprising by organizing coal miners.
Friends of Blair Mountain: http://www.friendsofblairmountain.org/2011/02/13/631/