Missoula Fall Fest at Grass Valley Farms
Corn maze · Missoula · Montana
A brand new corn maze cut into the fields at Grass Valley Farms outside Missoula, with three difficulty levels and more than five miles of paths. Between maze runs you can ride the barrel train, climb the giant hay slide, pick a pumpkin, and let the kids loose in the petting zoo.
Don’t miss
Plan your visit
Weekends only. Fri 4 to 8pm, Sat 11am to 8pm, Sun 11am to 5pm
Dates from the official announcement, checked August 20, 2026. Always confirm before you go.
Color nearby peaks: September 21–September 25
Color builds from September 5 · mostly bare by October 13
Sampled at Missoula Fall Fest at Grass Valley Farms’s own coordinates and elevation (940 m) rather than a regional average.
This window comes from 74 weather points across Montana, nudged 2 days earlier to match 1 published peak date from smokymountains.com. Against Montana's own climatology, the 2026 weather puts the peak 1 day earlier. How the forecast works
When to go to Missoula Fall Fest at Grass Valley Farms
The color window runs about 27 days, holding until around October 2. The elevation is 3,084 ft, which pulls the turn earlier.
You will find it at Missoula, MT, in Montana.
Missoula Fall Fest at Grass Valley Farms on the map
Drag the date slider to see when color reaches this corner of Montana, or tap a pin for that stop’s own peak window.
More things to do in Montana
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Frequently asked
- When is Missoula Fall Fest at Grass Valley Farms open in 2026?
- The 2026 season runs Sep 18 – Nov 1. Weekends only. Fri 4 to 8pm, Sat 11am to 8pm, Sun 11am to 5pm. Dates can shift, so check the official site before you go.
- When does Missoula Fall Fest at Grass Valley Farms peak in 2026?
- Peak color is predicted for September 21–September 25 (best estimate September 23). Color starts around September 5 and is mostly bare by October 13.
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