KBYU-FM (89.1 MHz) is a classical music radio station run by Brigham Young University in Provo, Utah. It is known on-air as Classical 89. It is a production of BYU Radio. It transmits at an effective radiated power of 32 kW. Its transmitting tower is located on a peak of the Oquirrh Mountains northwest of the university campus, and southwest of Salt Lake City.