Slime Dog Halloween at Harmony Hall brings a Halloween party to Harmony Hall on Saturday, October 31 from 7 PM to 12 AM. It falls on Halloween itself. Plan a costume; it's that kind of night. Within three days of it, 2 more Halloween events happen around Stouffville.
Saturday, October 31 · 7 PM – 12 AM
UTC-04:00Harmony Hall | Stouffville, ON
Harmony Hall, Making Small Talk, 14663 Woodbine Ave, Whitchurch-Stouffville, ON L4A 2G7, Canada, Stouffville
It is on Saturday, October 31, 2026, from 7 PM to 12 AM, on Halloween itself.
It takes place at Harmony Hall, Making Small Talk, 14663 Woodbine Ave, Whitchurch-Stouffville, ON L4A 2G7, Canada, Stouffville.
Yes, costumes are encouraged.
It runs for about 5 hours, from 7 PM to 12 AM.
The Whitchurch-Stouffville Museum & Community Centre
Main St, Whitchurch-Stouffville, ON
Main St, Whitchurch-Stouffville, ON
3291 Stouffville Road
Whitchurch-Stouffville Museum
Harmony Hall
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