Willamette National Forest
Willamette National Forest is a recognized dark sky location in Oregon for stargazing and astronomy activities.
Bortle
Willamette National Forest is rated BORTLE CLASS 2.
Type
As a U.S. national forest, dispersed camping, also known as boondocking, is permitted away from car/RV campsites. This allows you to find even darker skies. A permit may be required.
For more info, see their website. See also all dark sky places in OR.