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Idaho · 1 national park · 9 other NPS sites

National parks in Idaho

Last verified Sources ↓
Idaho has one national park, Yellowstone National Park. 9 more National Park Service sites round out the map, from California National Historic Trail to Oregon National Historic Trail.
1Boise
Numbered by 2025 visits. ★ Boise, Idaho's largest city.

At a glance

Idaho, by the numbers

National parks in Idaho at a glance
National parks1: Yellowstone
Other NPS sites9 see nps.gov
Most visited park, 2025Yellowstone 4,762,988 visits (#3 of 63)
Entrance fees$35 per vehicle
EstablishedMarch 1, 1872
Nearest to BoiseGrand Teton 276 mi straight-line, ≈ 6 h 30 min drive (est.)

Yellowstone (ID, MT, WY) crosses state lines; visits are for the whole park.

1 national park

Idaho's national park

Busiest first, by 2025 recreation visits.

  1. Photo: NPS / Jacob W. Frank

    Est. 1872 · ID · MT · WY

    Yellowstone National Park

    2025 visits
    4,762,988
    Entrance
    $35 / vehicle
    Busiest month
    July
    Quiet month
    October

    “The first national park…” (NPS)

From Boise

The closest national parks to Boise

Measured from Boise, Idaho's largest city (238,429 people, Census 2025 estimate). Straight-line miles; drive times are our rough estimate.
Nearest national parks to Boise
ParkStraight lineDrive (estimate)
Grand Teton National ParkWY276 mi≈ 6 h 30 min
Yellowstone National ParkID · MT · WY290 mi≈ 6 h 50 min
Crater Lake National ParkOR300 mi≈ 7 h 10 min
Great Basin National ParkNV337 mi≈ 8 h

9 other NPS sites

Beyond the national parks

Monuments, historic sites, trails and more: every other place the National Park Service lists for Idaho, grouped by type. Links go to nps.gov.
3 National Historic Trail · 1 National Geologic Trail · 1 National Historic Site · …Show all 9

National Historic Trail · 3

National Geologic Trail · 1

National Historic Site · 1

National Historical Park · 1

National Monument & Preserve · 1

National Reserve · 1

From the NPS Data API; the same list as Idaho's page on nps.gov. Trails and other multi-state sites appear under each state they cross.

FAQ

Idaho, answered

How many national parks are in Idaho?
1: Yellowstone National Park. Idaho also has 9 other National Park Service sites, such as California National Historic Trail and City of Rocks National Reserve. Yellowstone crosses into Montana and Wyoming.
Do national parks in Idaho charge an entrance fee?
Headline entrance fees run $35 per vehicle. From 2026, Yellowstone also charges nonresidents a $100 per-person fee (ages 16+). An America the Beautiful pass covers entrance fees.
What is the closest national park to Boise?
Grand Teton National Park, about 276 miles from Boise in a straight line, roughly 6 h 30 min by road on our estimate (straight-line miles × 1.3 at 55 mph, not a route). Boise is Idaho's largest city.

Sources · 5

  1. 1.Idaho: parks and places (nps.gov) · National Park Service
  2. 2.NPS Data API — /parks (all park units) · National Park Service (U.S. Department of the Interior)
  3. 3.NPS Visitor Use Statistics — monthly recreation visits, 2021–2025 (IRMA stats REST service) · National Park Service (U.S. Department of the Interior) — Visitor Use Statistics Program
  4. 4.City and Town Population Totals: 2020-2025 · U.S. Census Bureau
  5. 5.2025 Gazetteer Files: Places · U.S. Census Bureau

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