Screemers
Haunted attraction · Vaughan · Ontario — Algonquin & Muskoka
Toronto's original Halloween event, now in its 30th year and third season at Assembly Park in Vaughan. One ticket covers seven walk-through haunted mazes worked by more than 120 live actors, plus unlimited rides on the Midway of Madness and stage shows under a giant festival tent.
Don’t miss
Plan your visit
Fridays and Saturdays, 7 p.m. to midnight. Other open nights, 7 p.m. to 11 p.m. Closed most Mondays and Tuesdays.
Dates from the official announcement, checked July 28, 2026. Always confirm before you go.
Color nearby peaks: October 8–October 12
Color builds from September 29 · mostly bare by October 31
Sampled at Screemers’s own coordinates and elevation (201 m) rather than a regional average.
Ontario — Algonquin & Muskoka is sampled at 245 weather points, with no published peak dates to correct it against yet. Ontario — Algonquin & Muskoka is running 1 day earlier than its own average this year. How the forecast works
When to go to Screemers
The color window runs about 20 days, holding until around October 19. Against Ontario overall, that is 4 days later.
Figure about 113 km from Buffalo.
Screemers on the map
Drag the date slider to see when color reaches this corner of Ontario — Algonquin & Muskoka, or tap a pin for that stop’s own peak window.
More things to do in Ontario — Algonquin & Muskoka
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Frequently asked
- When is Screemers open in 2026?
- The 2026 season runs Oct 9 – Oct 31. Fridays and Saturdays, 7 p.m. to midnight. Other open nights, 7 p.m. to 11 p.m. Closed most Mondays and Tuesdays.. Dates can shift, so check the official site before you go.
- When does Screemers peak in 2026?
- Peak color is predicted for October 8–October 12 (best estimate October 10). Color starts around September 29 and is mostly bare by October 31.
- How do I get to Screemers?
- Screemers is in Vaughan. The closest city is Buffalo, about 70 mi away. It's part of Ontario — Algonquin & Muskoka's fall lineup.
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