Bemis Heights and forced the surrender of Burgoyne ten days later at the Battle of Saratoga, when the reinforcements were still far to the south. Historic Site The site was declared a National Historic Landmark in 1972. A system of trails and interpretive signs guides visitors through the ruins of the fort. Designed by the architect Salvatore Cuciti, the Visitor Center opened in October 2006. The timber frame building is oriented to provide visitors with a "gun sight" view down the Hudson. Operated as a state museum, it contains artifacts from the site, mannequins representing military units and a detailed model of the fort. See also Bear Mountain State Park List of National Historic Landmarks in New York List of New York State Historic Sites References Notes Further reading Fisher, C. (2004). The Most Advantageous Situation in the Highlands: An Archaeological Study of Fort Montgomery State Historic Site, Cultural Resources Survey Program Series No. 2, New York State Museum. Roberts, R. (1980). New York's Forts in the Revolution, Fairleigh Dickinson University Press. External links Fort Montgomery State Historic Site, NYS Office of Parks, Recreation and Historic Preservation Twin Forts of the Popolopen, Hudson River Valley website "Fort Montgomery", Palisades Park Conservancy Government buildings completed in 1776 Infrastructure completed in 1776 Montgomery (Hudson River) New York (state) historic sites National Register of Historic Places in Orange County, New York U.S. Route 9W Hudson River Montgomery (Hudson River) National Historic Landmarks in New York (state) Museums in Orange County, New York Ruins in the United States American Revolutionary War museums in New York (state) Highlands, New York Parks in Orange County, New York Montgomery (Hudson River) American Revolution on the National Register of Historic Places