Tappan Hill Mansion is located on the former estate of Mark Twain in the scenic Hudson Valley, just 45 minutes north of midtown Manhattan. On seven acres in Westchester County, this stunning stone mansion features luxurious rooms and terraces that are ideal for meetings, celebrations and galas for up to 350. This historic space is the perfect setting for both traditional events and the most high-tech conferences. The entire landmark Mansion can also be booked for groups up to 500. With breathtaking views of the Hudson and the Palisades, Tappan Hill is an elegant, historical setting and the perfect backdrop for the most special events.