Nov. 24-Dec. 2: Festival of Trees - Decorated trees and displays, each with their own theme and style, Union Colony Civic Center, 701 10th Ave., Greeley, $1.50-$2.50, go online for times.
Dec. 1: Night of Lights - Celebration of lights and entertainment, 4:30-7 p.m., Gunnison.
Dec. 1 and 2: 9NEWS Parade of Lights - 8 p.m. Dec. 1, 6 p.m. Dec. 2, downtown Denver, free.
Dec. 2: Festival of Lights Family Fun Day - Performances, crafts and more, 10 a.m.-2 p.m., Colorado Springs Pioneer Museum, 215 S. Tejon St., free.
Dec. 2: Festival of Lights Parade - 5:50 p.m., Tejon Street.
Dec. 8-10: Snow Daze - Concerts, street fair, tree-lighting ceremony and more, Vail.
Dec. 8-10: Winterfest - Ice skating, marketplace and more, Thornton.
Dec. 9: Holiday Chocolate Festival - 11 a.m.-5 p.m., Colorado Springs Event Center, 3960 Palmer Park Blvd., $5, taste tickets to sample, 12 for $10. Advance tickets.
Dec. 9: Tommelfest Nordic Ski Festival - free lessons, keg tossing, glog & all kinds of "Nordic" activities, Devil's Thumb Ranch Resort & Spa, Tabernash.
Dec. 20-31: 12 Days of Aspen - Skating, caroling, storytelling and more, various locations, Aspen.
Jan. 10-13: ULLR Fest - Ullympic competitions, parades and more, Breckenridge.
Jan. 11-14: Wintersköl Celebration - Toast to winter with snow sculptures, Apple Strudel Downhill and more, Aspen.
Jan. 13 and 14: Winter Festival and Winter Trails Day - Chili cook-off, ski and snowboard demonstrations, ice skating and more, Estes Park.
Jan. 18-21: Ouray Ice Festival - Presentations by climbers, music, food and more, Ouray.
Jan. 19-21: Telluride Fire Festival - Interactive experience of fire artistry in the winter, Telluride.
Jan. 22-29: Budweiser International Snow Sculpture Championships - Sculpting takes place Jan. 24-28, with sculptures on view through Feb. 5, Breckenridge.
Jan. 26 and 27: Winter Brew Fest - Music, vendors and more, Mile High Station, Denver.
Jan. 26-28: Rio Frio Ice Fest - Scavenger hunts, snowman-building contests, fire-and-ice party and more, Alamosa.
Jan. 26-28: UllrGrass - Music, beer fest, vendors and more, Golden.
Jan. 31-Feb. 4: Snowdown - Contests, vendors, food and more, Durango.
Feb. 7-11: Steamboat Springs Winter Carnival - Ski-jumping competitions, dog-sled pulls and more, Steamboat Springs.
Feb. 23-25: SkiBike Festival - Lessons, demos, races and more, Purgatory Resort, Durango.
Feb. 9-11: Loveland Fire and Ice Festival - Music and more, Loveland.
Feb. 9-18: Cripple Creek Ice Festival - Ice sculptors, ice slides, vendors and more, Cripple Creek.
Feb. 16-18: Midwinter Bluegrass Festival - Northglenn Ramada Plaza, Denver, $25 and up. Advance tickets.
Feb. 24-26: WinterWonderGrass - Music, brews, local foods and more, Steamboat Springs.
March 3 and 4: Leadville Ski Joring & Crystal Carnival - Leadville.
March 9-11: Frozen Dead Guy Days - Music, coffin races, polar plunging and more, Nederland.