The Haunted World
Haunted attraction · Caldwell · Idaho
Billed as Idaho's largest indoor-and-outdoor haunt, this attraction sprawls across more than 40 acres of Caldwell farmland west of Boise, pairing a themed haunted house with a corn maze that runs over a mile long. It has been scaring visitors since 2000, and a full walk-through takes roughly two hours on weekends.
Don’t miss
Plan your visit
Fri and Sat only in September; Mon to Sat in October, Sundays closed
Dates from the official announcement, checked August 20, 2026. Always confirm before you go.
Color nearby peaks: October 18–October 22
Color builds from October 1 · mostly bare by November 10
Sampled at The Haunted World’s own coordinates and elevation (743 m) rather than a regional average.
Idaho is sampled at 42 weather points, then moved 1 day earlier so the model agrees with 1 published peak date from smokymountains.com. Idaho is running 1 day later than its own average this year. How the forecast works
When to go to The Haunted World
The color window runs about 28 days, holding until around October 29. That runs roughly 10 days later than the rest of Idaho. The 2,438 ft elevation accounts for most of the difference.
You will find it at Caldwell, ID, in Idaho.
The Haunted World on the map
Drag the date slider to see when color reaches this corner of Idaho, or tap a pin for that stop’s own peak window.
More things to do in Idaho
Leaves & views
Farms & harvest
Frequently asked
- When is The Haunted World open in 2026?
- The 2026 season runs Sep 11 – Oct 31. Fri and Sat only in September; Mon to Sat in October, Sundays closed. Dates can shift, so check the official site before you go.
- When does The Haunted World peak in 2026?
- Peak color is predicted for October 18–October 22 (best estimate October 20). Color starts around October 1 and is mostly bare by November 10.
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