Old Fort Niagara Assoc., Inc. Share: Tourism Old Fort Niagara Assoc., Inc. Visit Website P.O. Box 169 Fort Niagara State Park Youngstown, NY 14174-0169 (716) 745-7611 (716) 745-9141 (fax) About About Old Fort Niagara is a popular historic site preserving original 18th century structures and offering many exciting public programs.
