11th Annual Four CornersFolk Festival Sept. 1-3, Pagosa Springs. Featuring the likes of Daisy Mayhem, The Stringdusters and the Waybacks. 970/731-5582, folkwest.com.
Jazz Aspen/Snowmass Labor Day Festival Sept. 1-4, Snowmass. 866/527-8499, jazzaspen.org.
13th Annual Contesting Powwow Sept. 2, Greenway Nature Center, Pueblo. 719/948-9601, pfpa1.tripod.com.
Creede Mountain Run/Walks Sept. 2. Offering 22-, 12- or 2-mile courses, 719/658-2925, creede.com.
12th Annual Salsa Fiesta Sept. 2-3, Creede. Enjoy music in the streets, dozens of homemade salsas and crafts. 800/327-2102, creede.com.
30th Annual Colorado Balloon Classic Sept. 2-4. Memorial Park, 471-4833, balloonclassic.com.
31st Annual Commonwheel Co-op Arts & Crafts Fair Sept. 2-4, Memorial Park, Manitou Springs. 577-7700, commonwheel.com.
86th Annual Windsor Harvest Festival Sept. 2-4, Windsor. windsorharvestfest.com.
Lumberjack Challenge Sept. 3, Double Eagle Hotel and Casino, Cripple Creek. Lumberjacks chop logs, saw trees, and throw axes in a competition for $9,000 in prizes. 689-3461.
Trapper Days Sept. 6-9, Fort Lupton. A celebration of Fort Lupton's heritage. 303/857-4474, trappersday.org.
South Park Music Festival Sept. 7-10, South Park. More than 100 bands and 50 conference speakers. southparkmusic.com.
Breckenridge Film Festival Sept. 7-10, Breckenridge. 970/453-6200, breckfilmfest.com.
Estes Park Longs Peak Scottish-Irish Highland Festival Sept. 7-10, Estes Park, Denver. 970/586-6308, scotfest.com.
Pikes Peak Challenge Sept. 9. Hike to the summit of Pikes Peak on Barr Trail in this benefit for the Brain Injury Association of Colorado. 574-1634, pikespeakchallenge.com.
2nd Annual COG BBQ Shootout Sept. 15-16, Buckskin Joe Frontier Town & Railway. 719/275-8350, uaacog.com.
Estes Park Film Festival Sept. 15-17, The Historic Park Theatre, Estes Park. 970/586-8904, sdientertainment.com.
13th Annual Telluride Blues & Brews Festival Sept. 15-17, Telluride. 866/515-6166.
South Fork Fly Fishing Festival Sept. 15-17, South Fork. 800/571-0881, southfork.org.
Mining for Treasures Quilt Show Sept. 15-17, Underground Mining Museum, Creede. creede.com.
28th Annual Holly Berry Folk Art Festival Sept. 15-17, Rock Ledge Ranch Historic Site. 633-2026, hollyberryhouse.com.
IAFF Fallen Firefighters Memorial Ceremony Sept. 16, Memorial Park. Honoring firefighters killed in the line of duty. 877/745-3773.
2nd Annual Robert"s Race for Lung Cancer Research Sept. 16, Monument Valley Park. Offering a 5K run or walk to raise funds and awareness for lung cancer. 303/913-1980, lungcancerrun.com.
7th Annual Rocky Mountain Sustainable Living Fair Sept. 16-17, Fort Collins. 970/224-3247, sustainablelivingfair.org.
Ranch Jamm 2006 Sept. 21-24, Tarryall River Ranch, Lake George. "Jammin', eatin', ridin', relaxin' and hikin'." 303/584-0440, aclu-co.org.
12th Annual Chile & Frijoles Festival Sept. 22-24, Pueblo Union Depot, Pueblo. Live music, farmers' market, family activities and great food. 719/544-7720, pueblochamber.org.
6th Annual Mountain Harvest Festival Sept. 22-24, Paonia. Featuring a chili cook-off, art walk, poetry reading, pub crawl and more. 970/527-3424, mountainharvestfestival.com.
The Good, The Bad and the Barbeque Sept. 23, Pikes Peak Harley Davidson. 487-8005, pikespeakharleydavidson.com.
Tour de Fat Bike Festival Sept. 23, New Belgium Brewery, Fort Collins. 888/622-4044, newbelgium.com.
Loveland Stone Age Fair Sept. 23-24. Displays of prehistoric artifacts. stoneagefair.com.
Frontier and Chuckwagon Daze Sept. 30, Cripple Creek. Chuckwagon suppers, gun-fighting demonstrations and the world's fastest draw competition. 719/689-3461. ;King of the Hill Rodeo Sept. 30-Oct. 1, Teller County Fairgrounds, Cripple Creek. 877/858-4653.