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13 kid-friendly Halloween events near Denver / Boulder with 2026 dates confirmed on their official sites, across 10 towns. The earliest to open is Colorado Pumpkin Patch, on September 16. Every one is suggested for all ages and rated no more than 2 of 5 ghosts on our scare scale. 5 list free admission.
Big Erie farm festival with a 25-acre never-haunted corn maze, wagon rides out to the pumpkin patch, farm animals, slides, pedal karts and play areas.
Forty-acre farm between Denver and Colorado Springs with jumping pillows, antique tractor hayrides, oversized games, a petting area and pumpkins sold by size.
Long-running Weld County farm park with a 15-acre corn maze, u-pick pumpkins and 20-plus play attractions.
Weekend farm festival east of Denver with two corn mazes, a petting zoo, antique tractor hayrides, a pumpkin patch and corn pits.
Boulder family vegetable farm, now in its 50th season, with a free-to-walk pumpkin field of heirloom varieties and a farm stand.
One of northern Colorado's older pumpkin farms, with pick-your-own pumpkins across a big field, several corn mazes, a hay bale maze and farm animals.
Organic farm near Longmont with a free-entry fall festival: pumpkins by the pound, petting zoo, pony rides, a hay maze and small carnival-style kids' activities.
Daytime corn maze on a Thornton farm with a smaller maze for young kids, a pumpkin field, barrel train and other add-on activities.
After-dark trick-or-treating around the zoo grounds with candy stations, costumed cryptid characters and animal ambassadors.
Free trick-or-treating at participating Olde Town Arvada businesses the evening before Halloween, with a costume contest in the town square.
Long-running community costume parade down Main Street in Longmont, followed by trick-or-treating at downtown businesses.
Boulder's Halloween afternoon tradition: kids in costume trick-or-treat along Pearl Street at participating downtown shops and restaurants.
One-day harvest celebration at Denver's oldest standing house and farm site along Cherry Creek, with pumpkins and old-time family activities.
Anderson Farms Fall Festival, Boo at the Zoo, Colorado Pumpkin Patch, Fritzler Farm Park Fall Festival, Longmont Halloween Parade, Maize in the City, and 7 more. Each has its 2026 dates, hours and prices on its own page.
The earliest in this guide is Colorado Pumpkin Patch on September 16, 2026.
Boo at the Zoo, Colorado Pumpkin Patch, Longmont Halloween Parade, Mile High Farms Fall Festival, Munchkin Masquerade, Munson Farms Pumpkin Patch, and 4 more are rated 1 of 5 ghosts: not scary.
Anderson Farms Fall Festival, Colorado Pumpkin Patch, Fritzler Farm Park Fall Festival, Maize in the City, Mile High Farms Fall Festival, Munson Farms Pumpkin Patch, and 2 more, all suggested for all ages.
Yes: Longmont Halloween Parade, Munchkin Masquerade, Munson Farms Pumpkin Patch, Rocky Mountain Pumpkin Ranch Fall Festival and Trick or Treat Street list free admission on the official site.
All Denver / Boulder Halloween eventsPumpkin Patches & Corn Mazes near Denver / BoulderFamily Halloween Events near Denver / BoulderDenver / Boulder trick-or-treat times