Coolidge State Park is a Vermont State Park located in Plymouth, Vermont, United States. The park is named after Calvin Coolidge, the 30th President of the United States, who was born and raised in Plymouth and is buried there as well. It is the primary recreational center for Calvin Coolidge State Forest, the largest state forest in Vermont. The park's facilities, built by the Civilian Conservation Corps (CCC) in the 1930s, are listed on the National Register of Historic Places.