KYGO-FM (98.5 MHz) is a commercial radio station in Denver, Colorado, United States. The Bonneville International country music station has an effective radiated power (ERP) of 100,000 watts. Its studios are located in Greenwood Village, and the transmitter is on Mestaa’ehehe Mountain in Idaho Springs. KYGO-FM is Colorado's secondary (LP-2) Emergency Alert System station. AM 850 KOA is the primary (LP-1) station.