Remote Helicopter Aerial Video of "The Arden House". The property is located in the city of Harriman, upstate NY. This video plus Acres was filmed via Remote Helicopter. With hundreds of acres of beautiful real estate! You can see a small part of the castle it self on the top of a mountain to your right going north on the New York State Thruway where route 17 intersects. Beautiful Mansion, check out the video!