Updated October 2026
Best Time to Visit Idaho National Park Sites
Idaho has 6 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.
Idaho parks on the map
Click a marker for the park page, or use Where to stay in the table.
Ways to pick a Idaho park
Quietest months
- Yellowstone — November
- City Of Rocks — February
- Craters Of The Moon — January
- Minidoka — December
Most-visited
- Yellowstone — 4,762,988 visits
- Nez Perce — 343,910 visits
- Craters Of The Moon — 260,418 visits
- City Of Rocks — 90,898 visits
Most-visited parks in Idaho
Yellowstone
National Park, Idaho, Montana, Wyoming
Nez Perce
National Historical Park, Idaho, Montana, Oregon, Washington
Best in SeptemberCraters Of The Moon
National Monument & Preserve, Idaho
Best in OctoberCity Of Rocks
National Reserve, Idaho
Minidoka
National Historic Site, Idaho, Washington
Best in SeptemberHagerman Fossil Beds
National Monument, Idaho
| Park | Annual visits | Best time | Busiest | Quietest | Stays |
|---|---|---|---|---|---|
| YellowstoneNational Park | 4,762,988 | September | Jul | Nov | Where to stay → |
| Nez PerceNational Historical Park | 343,910 | September | Aug | Jan | Where to stay → |
| Craters Of The MoonNational Monument & Preserve | 260,418 | September | Jul | Jan | Where to stay → |
| City Of RocksNational Reserve | 90,898 | October | Jun | Feb | Where to stay → |
| MinidokaNational Historic Site | 43,539 | May | Jul | Dec | Where to stay → |
| Hagerman Fossil BedsNational Monument | 36,667 | September | Jul | Jan | Where to stay → |
Idaho park crowd calendar (6 parks, all 12 months)
Download the full best-months table for all 6 of Idaho'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. No spam, unsubscribe anytime.
Where to stay near Idaho's national parks
Find hotels, cabins and vacation rentals across Idaho to base your national-park trip — live availability and prices.
Top-rated places to stay near Idaho national parks
Prices for Oct 30–Nov 1, 4 adults. Change dates on the map below.
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