- 917, C30, Day, N20, A50 -

Parks Historic Sites Our Mission The Palisades Parks Conservancy is the nonprofit partner of the Palisades Interstate Park System. We are committed to preserving and protecting the rich history and biodiversity of Americas first bistate park system by connecting people parks and history. Parks Historic Sites The parks and historic sites of the Palisades Interstate Park System are property of the Palisades Interstate Park Commission. All properties in New York under the jurisdiction of New York State Parks Recreation and Historic Preservation.