To amend the National Trails System Act to designate the Washington Spy Ring National Historic Trail, and for other purposes.

Washington Spy Ring National Historic Trail Designation Act This bill designates the trail comprised of 50 miles of village, town, and city streets and New York Route 25A, from Great Neck, New York, along Long Island's North Shore, through Nassau and Suffolk Counties, to Port Jefferson, New York, as the Washington Spy Ring National Historic Trail. The trail shall be administered by the North Shore Promotion Alliance.