Upstate New York is serviced by 2 MTA rail lines; The Harlem Line which runs from Grand Central Terminal northeast to Wassaic, New York and the Hudson Line which runs along the Hudson River up to Poughkeepsie, New York. Amtrak also services the Hudson Valley area upstate to Buffalo, New York.

Amtrak - the nearest station to Millbrook is Poughkeepsie

Metro North Railroad - the nearest stations to Millbrook are Dover Plains, Tenmile River, Wassaic and Poughkeepsie