National park sites in Idaho
10 sites run by the National Park Service, including 1 national park. Each page has today's hours, the entrance fee and directions.
National park in Idaho
Every other site
National Historic Trails 3
National Geologic Trails 1
National Historic Sites 1
National Historical Parks 1
National Monuments 1
National Monument & Preserves 1
National Reserves 1
Source: National Park Service data feed, checked September 24, 2026. Sites that cross a state line are listed in each state.