| South Park Bluegrass Festival | Alma | CO | United States | July | 1st Weekend | 1 Day | Bluegrass | Music |
| Beanstalk Music Festival | Bond | CO | United States | August | 2nd Weekend | 3 Days | Jam, Rock | Music |
| Grand Mesa Songwriter Festival | Cedaredge | CO | United States | June | 1st Weekend | 2 Days | Singer-songwriter, Americana, folk, and roots music | Music |
| MeadowGrass Music Festival | Colorado Springs | CO | United States | May | Memorial Day Weekend | 3 Days | Bluegrass | Music |
| Rhythms on the Rio | Del Norte | CO | United States | August | 1st Weekend | 3 Days | Americana, Bluegrass | Music |
| TheBigWonderful BEERFEST | Denver | CO | United States | May | 1st Weekend | 1 Day | Varied, often featuring local and regional bands, with a focus on the craft beer experience | Music |
| Mid-Winter Bluegrass Festival | Denver | CO | United States | February | 2nd Weekend | 3 Days | Bluegrass | Music |
| Underground Music Showcase (UMS) | Denver | CO | United States | July | 4th Weekend | 3 Days | Indie | Music |
| Durango Bluegrass Meltdown | Durango | CO | United States | April | 3rd Weekend | 3 Days | Bluegrass | Music |
| Rocky Mountain Folks Festival | Estes Park | CO | United States | August | 2nd Weekend | 3 Days | Likely Folk music, potentially with Americana and roots influences, based on the name and potential association with Planet Bluegrass. | Music |
| Snowgrass Music Festival | Estes Park | CO | United States | July | 2nd Weekend | 3 Days | Bluegrass | Music |
| UllrGrass Music Festival | Golden | CO | United States | January | 4th Weekend | 3 Days | Bluegrass, Americana, & roots music | Music |
| Holly Bluegrass Festival | Holly | CO | United States | August | 3rd Weekend | Check Online | Bluegrass | Music |
| RapidGrass Bluegrass Festival | Idaho Springs | CO | United States | August | 1st Weekend | 2 Days | Bluegrass | Music |
| Bluegrass and Beer Festival | Keystone | CO | United States | August | 1st Weekend | 2 Days | Bluegrass | Music |
| Keystone Bluegrass and Beer Festival | Keystone | CO | United States | August | 1st Weekend | 2 Days | Bluegrass, with potential inclusion of Americana and roots influences. | Music |
| Pickin’ in the Rockies | Loma | CO | United States | May | Memorial Day Weekend | 1 Day | Bluegrass | Music |
| Rocky Mountain Folks Festival | Lyons | CO | United States | August | 2nd Weekend | 3 Days | Folk music, with elements of Americana, singer-songwriter, and roots music. | Music |
| RockyGrass Festival | Lyons | CO | United States | July | 4th Weekend | 3 Days | Bluegrass, with potential inclusion of Americana, Folk and Roots influences. | Music |
| Four Corners Folk Festival | Pagosa Springs | CO | United States | September | 1st Weekend | 2 Days | Bluegrass | Music |
| Pagosa Folk ‘n Bluegrass | Pagosa Springs | CO | United States | June | 2nd Weekend | 1 Day | Bluegrass and folk music | Music |
| Palisade Bluegrass & Roots Festival | Palisade | CO | United States | June | 3rd Weekend | 3 Days | Bluegrass and roots music | Music |
| Bluegrass on the Arkansas | Salida | CO | United States | May | Memorial Day Weekend | 2 Days | Bluegrass | Music |
| The MusicFest Steamboat | Steamboat Springs | CO | United States | January | 1st Weekend | 6 Days | Blues, Country, Folk | Music |
| WinterWonderGrass Steamboat | Steamboat Springs | CO | United States | February | Last Weekend | 4 Days | Bluegrass, Americana, roots music, with a focus on winter activities and a mountain setting | Music |
| Telluride Jazz Festival | Telluride | CO | United States | August | 2nd Weekend | 3 Days | Jazz, Folk | Music |
| Telluride Blues and Brews | Telluride | CO | United States | September | 2nd Weekend | 3 Days | Bluegrass, Blues, Folk | Music |
| Telluride Bluegrass Festival | Telluride | CO | United States | June | 3rd Weekend | 4 Days | Bluegrass, with some Americana and roots influences | Music |
| Shirner Bluegrass Festival | Timonium | CO | United States | May | Memorial Day Weekend | 1 Day | Bluegrass | Music |
| FreeFall Bluegrass Festival | Vail Village | CO | United States | October | 2nd Weekend | 3 Days | Bluegrass | Music |
| SpringFree Bluegrass Festival | Vail Village | CO | United States | May | Memorial Day Weekend | 3 Days | Bluegrass | Music |
| High Mountain Hay Fever Festival | Westcliffe | CO | United States | July | 2nd Weekend | 4 Days | Americana, roots, bluegrass, folk, and a variety of other genres | Music |
| Caveman Music Festival | Weston | CO | United States | September | Labor Day Weekend | 3 Days | Bluegrass, Country, Folk, Rock | Music |
| Winter Park Jazz Festival | Winter Park | CO | United States | July | 3rd Weekend | 2 Days | Jazz | Music |
