Grange Asylum Haunted House
Thornton, Colorado
- 🏆 Ranked #3 in The 10 Best Haunted Houses in Thornton, CO (2026)
- 🏆 Ranked #15 in The 15 Best Haunted Houses near Denver (2026)
About Grange Asylum
2026 is our 5th year open. Our haunt is a full walkthrough that starts in the front and wraps around the property. We hand out regular sized candy bars on Halloween night!
- Walkthrough Haunted House
- Live Actors
- Yard Haunt
- Animatronics
- Free admission
- Scare level: Creepy Thrills
- Home haunt
Address
10944 Ash Cir
Thornton, CO 80233
Hours
- Fri 8:00–10:00 PM
- Sat 6:00–10:00 PM
Season dates
Oct 30–31, 2026
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