CHTZ-FM

CHTZ-FM is a Canadian radio station, broadcasting at 97.7 FM in St. Catharines, Ontario. The station is owned by Bell Media and operates under the branding "HTZ-FM".

CHTZ-FM airs an active rock format. Its studios are located on YMCA Drive in St. Catharines, while its transmitter is located near Thorold.

The station has a long history in the Niagara Region, having been launched in 1963 as CKTB-FM, a sister station to CKTB. Over the years, the station has undergone various format changes before settling on its current active rock presentation. It is known for its strong signal and active community involvement, particularly in supporting local music and events. The call sign CHTZ was adopted in 1986.