CHUR-FM is a Canadian radio station, which broadcasts an adult contemporary format at 100.5 FM in North Bay, Ontario. The station uses the on-air brand EZ Rock. The station was launched in 1984 by Gateway City Broadcasting, at 1110 AM. It was subsequently acquired in 1985 by Mid-Canada Radio, who also changed the station's frequency to 840 AM. In 1990, the station was acquired by the Pelmorex Radio Network.