KOSI (101.1 FM) is a commercial radio station in Denver, Colorado. KOSI is owned by Salt Lake City–based Bonneville International and airs an adult contemporary music format. Its studios and offices are located on East Orchard Road in Greenwood Village, and the transmitter is on Mount Morrison in Genesee, above the Red Rocks Amphitheatre. KOSI broadcasts in the HD format. It carries the Latter-day Saints Channel on its HD2 subchannel. KOSI's parent company, Bonneville, is a subsidiary of the Church of Jesus Christ of Latter-day Saints.