KWYS (920 AM) is a radio station licensed to serve West Yellowstone, Montana. The station is owned by Radio West, LLC. It airs an Oldies/Classic Hits music format.The stations studios are located at 303 Canyon Street, in West Yellowstone. The transmitter site is south of town, on Broadcast Trail Road, near the west gate to Yellowstone National Park.The station was assigned the KWYS call letters by the Federal Communications Commission.