|Broadcast area||Greater Toronto Area|
|Frequency||94.1 MHz (FM)|
|First air date||1946|
|Format||Adult Album Alternative - Classical music - public broadcasting|
|HAAT||420.5 meters (1,380 ft)|
|Call sign meaning||Canadian Broadcasting Corporation Great Lakes|
|Owner||Canadian Broadcasting Corporation|
|Sister stations||CJBC, CBLA-FM, CJBC-FM|
CBL-FM was launched in 1946, as an FM simulcast for AM 740 CBL. CBL-FM originally broadcast at 99.1 MHz, but moved to 94.1 in 1966. (The 99.1 frequency was vacant until 1977, when it was assigned to the CKO all-news radio network. CKO ceased operations in 1989, and the frequency was again vacant until it was assigned to CBLA-FM, co-owned with CBL-FM.)
CBL-FM began airing separate programming in 1960, along with the other CBC FM stations, playing mostly classical music, as part of the CBC FM network. Due to budget cuts, CBL-FM returned to simulcasting 740 CBL in 1962, but resumed separate programming again in 1964. The FM network was rebranded CBC Stereo on November 3, 1975, CBC Radio Two in 1997 and CBC Music in 2018, as it shifted away from mostly classical music, to a mix of adult album alternative, classical, jazz and other genres.
|City of license||Identifier||Frequency||RECNet||CRTC Decision|
|Owen Sound||CBL-FM-4||97.1 FM||Query|
On February 15, 1979, the CRTC approved the CBC's application to operate a new FM transmitter in Belleville on 94.3 MHz (CBBB-FM)  and on May 7, 1979, the CRTC also approved the CBC's application to operate a new FM transmitter in Brockville on 104.9 MHz (CBBA-FM), to rebroadcast the programming originating from CBL-FM Toronto. Neither of these transmitters in Belleville and Brockville were implemented  and the frequencies were awarded to other broadcasters.