Green River State Forest
Green River State Forest is a recognized dark sky location in Kentucky for stargazing and astronomy activities.
Star party:
Green River hosts a popular large star party annually.
Type
As a U.S. state 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 KY.