| KYZK | |
| City: | Sun Valley, Idaho |
| Branding: | Mountain Country 107.5 |
| Frequency: | 107.5 MHz |
| Airdate: | 2000 |
| Format: | Classic country |
| Erp: | 2,500 watts |
| Haat: | 583 meters |
| Class: | C1 |
| Facility Id: | 1164 |
| Coordinates: | 43.6436°N -114.3972°W |
| Affiliations: | ABC Radio |
| Owner: | Richard Mecham |
| Licensee: | Magic Valley Media, LLC |
| Licensing Authority: | FCC |
KYZK (107.5 FM, "Mountain Country 107.5") is a radio station broadcasting a classic country format. Licensed to Sun Valley, Idaho, United States, the station is currently owned by Richard Mecham, through licensee Magic Valley Media, LLC, and features programming from ABC Radio.[1]
On November 16, 2020, KYZK changed their format from contemporary hit radio to classic country, branded as "Mountain Country 107.5".[2]