Sawtooth National Park
Sawtooth National Park is a recognized dark sky location in Idaho for stargazing and astronomy activities.
Bortle
Sawtooth National Park is rated BORTLE CLASS 2.
Type
As a U.S. national park, various camping options may be available, including frontcountry, dispersed (boondocking), and backcountry (backpacking/primitive). A permit may be/is required.
For more info, see their website. See also all dark sky places in ID.