CHUR-FM (100.5 MHz) is a Canadian radio station, which broadcasts a hot adult contemporary format in North Bay, Ontario.

[1] It was subsequently acquired in 1985 by Mid-Canada Radio,[2] who also changed the station's frequency to 840.

In July 2010, the station altered its musical format to present a more contemporary version of its AC Mainstream Plus blend more in line with the Hot AC version of American Top 40 with Ryan Seacrest.

In March 2012, all of the Rogers-owned "EZ Rock" stations in Northern Ontario started to air the Top 20 Most Wanted, a countdown show produced by CJMX-FM in Sudbury.

CHUR was one of four EZ Rock-branded stations owned and operated by Rogers Media, all of which are located in Northern Ontario (the others being CJMX-FM Sudbury, CHAS-FM Sault Ste.