Updated July 2026
Best Time to Visit Colorado National Parks
Colorado has 12 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 Colorado
Rocky Mountain
Colorado
View Rocky Mountain →
Curecanti
Colorado
View Curecanti →
Colorado
Colorado
View Colorado →Mesa Verde
Colorado
View Mesa Verde →
Great Sand Dunes
Colorado
View Great Sand Dunes →
Dinosaur
Colorado, Utah
View Dinosaur →| Park | Annual visits | Best time | Busiest | Quietest |
|---|---|---|---|---|
| Rocky MountainNational Park | 4,171,431 | April | Jul | Feb |
| CurecantiNational Recreation Area | 807,117 | May | Jul | Jan |
| ColoradoNational Monument | 483,436 | February | May | Feb |
| Mesa VerdeNational Park | 463,130 | August | Jul | Jan |
| Great Sand DunesNational Park & Preserve | 432,498 | September | Jun | Jan |
| DinosaurNational Monument | 315,725 | May | Jul | Feb |
| Black Canyon Of The GunnisonNational Park | 250,086 | April | Jul | Dec |
| Florissant Fossil BedsNational Monument | 63,680 | August | Jul | Jan |
| HovenweepNational Monument | 26,616 | August | May | Jan |
| Bent's Old FortNational Historic Site | 16,102 | October | May | Jan |
| AmacheNational Historic Site | 8,113 | October | May | Jan |
| Sand Creek MassacreNational Historic Site | 6,401 | September | Jul | Jan |
Colorado park crowd calendar (12 parks, all 12 months)
Download the full best-months table for all 12 of Colorado'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 Colorado's national parks
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