Monster Mash Halloween Weekend

Fri, 26 Sep, 2025 at 11:00 am to Sun, 28 Sep, 2025 at 11:00 am UTC-06:00

5495 US Highway 36, Estes Park, CO, United States, Colorado 80517 | Estes Park

Jellystone Park of Estes
Publisher/HostJellystone Park of Estes
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This Halloween weekend is filled with your favorite activities including trick or treating, site and costume decorating contest, costume contest, haunted hikes and monster mash dance parties.
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5495 US Highway 36, Estes Park, CO, United States, Colorado 80517

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