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A costumed dog in a tiny car at BarBox at Aspen Grove, a pet-friendly business in Littleton, CO. Photo by @AspenGroveCO.
A pup dressed up as a turtle for the dog-friendly Woof-o-Ween event in Littleton, CO. Photo by @AspenGroveCO.
A Dachshund in a hot dog costume at Woof-o-Ween, a dog-friendly event in Littleton, CO. Photo by @AspenGroveCO.
Fido and his owner pose for a picture together during the pet-friendly Woof-o-Ween Pet Pawrade in Littleton, CO. Photo by @AspenGroveCO.
Two pups sitting at a dog-friendly table outside BarBox at Aspen Grove in Littleton, CO. Photo by @AspenGroveCO.
A costumed dog in a tiny car at BarBox at Aspen Grove, a pet-friendly business in Littleton, CO. Photo by @AspenGroveCO.
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A pup dressed up as a turtle for the dog-friendly Woof-o-Ween event in Littleton, CO. Photo by @AspenGroveCO.
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A Dachshund in a hot dog costume at Woof-o-Ween, a dog-friendly event in Littleton, CO. Photo by @AspenGroveCO.
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Fido and his owner pose for a picture together during the pet-friendly Woof-o-Ween Pet Pawrade in Littleton, CO. Photo by @AspenGroveCO.
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Two pups sitting at a dog-friendly table outside BarBox at Aspen Grove in Littleton, CO. Photo by @AspenGroveCO.
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Woof-o-ween at Aspen Grove

Mark your calendars for Woof-o-ween at Aspen Grove! This dog friendly event will be held from 12:00 PM–3:00 PM on October 4, 2026 at Aspen Grove in Littleton, CO. Visit Website

Or call (720) 443-0332 or email info@aspengrovecenter.com for more information.

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Description

This dog-friendly Halloween celebration features a dog costume contest, dog bar, dog crafts, a dog communicator, DJ entertainment, food and beer for humans, and trick-or-treating at participating stores. Dogs can compete in categories including Spookiest, Best Duo or Group, Funniest and Most Creative, with prizes awarded to the top three winners in each category.

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Photo of Aspen Grove
Aspen Grove
Littleton, CO

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