Updated July 2026
Best Time to Visit Montana National Parks
Montana has 8 National Park Service units that report visitation. Below, each is ranked by annual visits, with the month our data recommends for the best balance of light crowds, comfortable weather and daylight. Crowds peak in summer almost everywhere — the recommended months show where the quieter shoulder seasons fall.
Most-visited parks in Montana
Yellowstone
Idaho, Montana, Wyoming
View Yellowstone →
Glacier
Montana
View Glacier →Nez Perce
Idaho, Montana, Oregon, Washington
View Nez Perce →Bighorn Canyon
Montana, Wyoming
View Bighorn Canyon →Little Bighorn Battlefield
Montana
View Little Bighorn Battlefield →
Big Hole
Montana
View Big Hole →| Park | Annual visits | Best time | Busiest | Quietest |
|---|---|---|---|---|
| YellowstoneNational Park | 4,762,988 | April | Jul | Nov |
| GlacierNational Park | 3,136,557 | May | Jul | Feb |
| Nez PerceNational Historical Park | 343,910 | July | Aug | Jan |
| Bighorn CanyonNational Recreation Area | 228,382 | September | Jul | Dec |
| Little Bighorn BattlefieldNational Monument | 111,825 | May | Jul | Dec |
| Big HoleNational Battlefield | 40,938 | April | Jul | Dec |
| Grant-Kohrs RanchNational Historic Site | 23,520 | April | Jul | Feb |
| Fort Union Trading PostNational Historic Site | 12,028 | August | Jun | Jan |
Montana park crowd calendar (8 parks, all 12 months)
Download the full best-months table for all 8 of Montana's national parks — each park's month-by-month crowd index (1.0 = its average month), busiest and quietest months, and Best-Time-to-Visit score. Built from NPS visitation data. Enter your email to download; you'll also get park crowd updates — no spam, unsubscribe anytime.
Where to stay near Montana's national parks
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Top-rated places to stay near Montana national parks
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