< Dark parks in IA
Rock Creek State Park
Rock Creek State Park is a recognized dark sky location in Iowa for stargazing and astronomy activities.
Bortle class
Rock Creek State Park is rated Bortle Class 3.
Type
As a U.S. state park, various camping options may be available, including frontcountry camping, dispersed camping (boondocking), and backcountry (backpacking/primitive) camping. Also, electric bicycles are allowed on all trails (motorized and non-motorized). A permit may be required.
For more info, see their website. See also all dark sky places in IA.