Cuyahoga Valley National Park is located in Summit and Cuyahoga counties, in the state of Ohio, United States. The park preserves a section of the Cuyahoga River and its valley.
As stated in the foundation document:
The purpose of Cuyahoga Valley National Park is to preserve and protect for public use and enjoyment the historic, scenic, natural, and recreational values of the Cuyahoga River and its valley; to maintain the necessary recreational open space in connection with the urban environment; and to provide for the recreational and educational needs of the visiting public.