97.7 HTZ

CHTZ-FM is a radio station in St. Catharines, Ontario, Canada. The station airs at 97.7 MHz FM, and broadcasts an active rock format with the brand name HTZ (Hits) FM. CHTZ's studios are located on 12 Yates Street in downtown St. Catharines, while its transmitter is located near Thorold.

Because of its transmitter location, as well as its total power output, CHTZ is one of the more powerful stations in Southern Ontario, as it can be heard not only in the Niagara Region, but also in Hamilton, the portion of the Greater Toronto Area that includes Burlington, Oakville and Mississauga, in Buffalo, New York and as far south as the Pennsylvania border.