TO CONTACT ALDER MANOR ABOUT FILMING, PHOTO SHOOTS, WEDDINGS, OR ANY OTHER RENTAL PURPOSE, EMAIL joan@theplantmanor.com. PLEASE BE SURE TO SAY YOU GOT THE CONTACT FROM SCOUTING NY!

It sits on a hill just outside of New York City, completely empty and, for years, decaying and nearly forgotten…

Alder Manor 01

This is Alder Manor, and it’s without question one of the most amazing places I’ve ever had the pleasure of scouting. Built in 1912 by William Boyce Thompson, an extremely successful copper magnate, his plan was for a 72-room country estate for entertaining (he lived in New York City at the time) on 22 acres of hilltop land in then rural Yonkers.

Alder Manor 02

After both he and his wife died, the mansion was traded between owners who had no use for it and eventually wound up abandoned. Thankfully, it’s been purchased in recent years, and its restoration is slowly taking shape.

When you first enter, you find yourself in the enormous Main Hall, with the huge grand staircase off to one side. This is about when you start to wonder how such a place could ever be abandoned.

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Reverse of the main hall. We’re going to start by heading down that hallway…

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Which leads to the incredible library:

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Standing in the reverse corner, with a great stone fireplace and working chandeliers. I especially love how the books go over the doorway.

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From a distance, the room looks like it’s in excellent condition. It’s only when you get a little closer that you realize how much restoration is needed. Wood is rotting, the paint is fading and chipped…This gives you a better idea (still, a great candidate for restoration):

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Next door to the library is the Ballroom, with rich reds and blues complementing the mahogany woodwork:

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A painting over the fireplace is still in excellent shape:

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Across the hall is the dining room, as a short hallway behind where I was standing leads to the Kitchen:

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Heading now upstairs…

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Brings you to the second floor landing, featuring an organ…

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…which connects to pipes way up on the third floor.

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My favorite room in Alder Manor is just down the hall from the pipe organ: an indoor pool. On the second floor. Built in 1912.

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It’d be so great to see this restored to working order. The faded lime green paint, the black and white tiling on the pool…Apparently, there used to be antique Tiffany glass here, until someone found out and stole it.

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As you’re walking through the mansion, there are tons of artistic details to be found everywhere, like this bit of a ceiling painting:

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Scenic door painting:

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Found on another door:

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This was the design on the wall abutting the stairs:

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There are also a few missing details…

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Besides the pool, the second and third floors are essentially endless amounts of bedrooms…

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Some have been fixed up.

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At the end of the second floor is a conservatory and small balcony:

Conservatory

The gardens behind the manor are absolutely beautiful despite their decay:

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A gazebo in perfect condition, along with a pool:

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A beheaded eagle greets you when you enter through this gate:

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A wall with various reliefs:

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A Greek theater, where plays and other entertainments were once performed:

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Another pool:

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A reader writes:

“I worked at the Boyce Thompson Institute for Plant Research from 1955-1978 when the Institute moved to the Cornell University campus. It’s still there and is housed in a beautiful building constructed by Cornell. I visited Alder Manor several times over the years, including two weddings. Its beauty is self evident from the photos. Col. Thompson (an honorary title) loved his gardens so much that he decided to build and endow a plant research institution to learn how plants “work”. It was finished in 1923 and dedicated in 1924.

“Shortly after the Sisters of Mercy took over the estate, a piece of pottery was discovered in a cabinet. It turned out to be extremely valuable. As I understand it, it was Etruscan and was sold for “more money than was paid for the estate”. At least that’s the story I was told.

“W.B. Thompson was quite a man. The Colonel title was bestowed upon him when he led a mission to Russia after WW I. He actually gave some money to feed Russians in poverty and became known as the ‘Red of Wall Street.’”

If you’re interested in using Alder Manor for an event, film shoot, or pretty much anything, send me an email to nycscout@gmail.com.

-SCOUT

PS – For anyone counting, there was a front hall, library, ballroom, dining room, kitchen, and conservatory. In addition, there were empty rooms on the ground floor that could have easily served as the billiard room, lounge, and study.

PPS – Across the street from the manor in FAR worse shape is the abandoned Boyce Research Institute. I took some pictures which I’ll post in a future entry.

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  1. Angela Gaspar Photography Avatar

    Wow I absolutely love this location for a wedding!

  2. jschmidt Avatar
    jschmidt

    My wife (Liz Ermish) and I were married at this location when it was Elizabeth Seton College in 1978. It was also my wife’s dorm (66-68) when she attended the college. The 2nd floor pool did work. The Grecian Garden was where we had the ceremony. Reception was inside. It was a great location for a wedding with the Hudson River in the background.
    The college was sold to Iona College and they promptly closed it down and sold the property. The city of Yonkers owned it for awhile and the Irish Cultural center took it over. As previously stated, the mansion also appeared in the first Crocodile Dundee movie.

  3. Mayra Torres Avatar
    Mayra Torres

    I attended Elizabeth Seton College, and in 2004 went back with my youngest who was attending Manhattanville College up at Purchase, I had told her that both colleges looked a bit alike. We went on the grounds and around the manor and it looked in ruins I was sad. I lived in the dorms down the hill but had a very special class at the manor, dancing and it was on the second floor at the back of the manor and from the window in that room you could look out for miles. Glad that you put up this site with the pictures, it brings back memories

  4. Patricia C. O'Connor Avatar

    This was a fun site to find. I was also a student at ESC from the fall of 1964 until graduation in spring, 66.
    The manor was lovely. The grounds were also wonderful for walking alone and enjoying the beautiful settings and nature in general –in any kind of weather, which i did frequently. I have no memory of the kitchen in the manor! Any pictures anyone? The pool was pretty cool, especially on Friday nights in winter. From my rooms at Bosch Hall I had magnificent views of the Hudson both years and watched the barges travel up and down in fall, winter and spring. It was hypnotic. The Palisades in NJ were clearly visible. Because we were on a hill, it looked like we were right on that famous river.
    BTW, I am trying to find my former room mate (1964-1965) Marion Slattery. Anyone?
    It takes my breath away to think it was 45 years ago. I have 2 very special friends who have been in my life since we attended ESC. Lifelong friends. I simply loved going to college there!

  5. alex Avatar
    alex

    It look’s like the mansion used in the Addams Family Values

  6. Joseph Avatar
    Joseph

    Scout,

    check out the “castle” over in Ramapo reservation in New Jersey.
    It’s on top of a mountain. Only the shell remains, but there are a few “rooms” if you could call them that!

    Fort hancock at sandy hook is full of great locations.

    There are the remains of an old Nike missile base in Piermont, NY.

    There is a radar tower over at the end of long island south fork.

    The remains of an old hotel on top of a mountain over in the catskills…can’t recall the name….

    http://www.terrastories.com/bearings/abandoned-catskills-hotels

    Have fun!

    Joe.

  7. Adrienne Bliss Brown Avatar
    Adrienne Bliss Brown

    You might care to check with the Russian Nobility Association. I seem to recall that there was a Col. THompson who helped some of the Imperial family or certain sristos get out of Russia just ahead of some hard-breathing Bolshies, similar to Col Boyle sent by Queen Marie of Roumania. Wonderful site and pic’s. Too bad you didn’t get to my former school in New Jersey before the “renovators” altough it is now being saved by a hip-hop clothing magnate. Best of luck and if you develop an alert system please add my email address. Thank you, ABB

  8. Adrienne Bliss Brown Avatar
    Adrienne Bliss Brown

    Ooops. Cancel that suggestion. It would be like asking a Royalist of Nantes what he thinks of La Malmaison! Wikipedia suggests a completely different ID for the Colonel which reminds us that Kerensky finished up a professor at Stanford(?) or similar while there were all those poor innocents (as well as the bad) which had to be “tuer par la Revolution” for narrow political purpose. Col. Thompson’s descent, including a Hohenlohe marriage(not too bad) is a touch like that of our Morristown NJ’s Otto Kahn,whose grand-daugter or more probably great grand-daugther is/was Margaret, Duchess of Argyle. I recall that Herb Franke of Morristown did scouting work for films under the aegis of the state of NJ, ca 1970-80. abbb

  9. areana Avatar
    areana

    I love this home. Is is up for sale If anyone knows please forward responses to the email you have on file
    Cheers

  10. Sarita B Cannon Avatar
    Sarita B Cannon

    I attended Elizabeth Seton School 1954-56. It was a High School run by the Sisters of Charity of New York. It was a boarding and day school. I lived on the second and third floors of the Manor. Seeing these pictures today has brought many memories… I visited
    for my 50th reunion in 2006 and was sad to see the disrepair of the
    Manor and the Gardens.

  11. Mari Boix Avatar
    Mari Boix

    My years at Elizabeth Seton school were the happiest of my life.
    I lived at the Manor from 1952 to 1957. Seton was my piece of
    heaven on earth. I will always love it with all my heart.

  12. Joan Avatar
    Joan

    I lived in the Manor during my high school years at Elizabeth Seton School, Class of 1963. That was the next-to-last class to graduate as the school transitioned to Elizabeth Seton Junior College. It was a fantastic property, I loved the statues in the garden and the views of the Hudson. Swimming in that pool was great fun. I made many wondeful friends from Latin America. By my senior year there were very few high school boarders left so I convinced my family to let me live off campus with a friend and her family. Seeing the pictures brought back many memories. I hope the Tara Society is able to restore that wonderful old building.

  13. Bara Avatar
    Bara

    Thank you so much for this wonderful, magical site which I found while searching for the interior locations for the Sept. 25 episode of “Boardwalk Empire” Is this it? The next time anyone asks me where I want to go when I die, my answer will be “Alden Manor”!

  14. meiliken Avatar
    meiliken

    You do realize the place is not abandoned right? A place being restored, with active electricity is not abandoned. Or do you not know the definition of abandoned? Nice place, nice pictures, but false advertising. Do a better job next time.

  15. Matt Avatar
    Matt

    It reminds me of the Resident Evil manor…

  16. Pat Soviero Fogarty Avatar
    Pat Soviero Fogarty

    A friend of mine from Seton sent me this link and I just loved looking at the pictures…memories I have of attending ESC from 70-72 are some of the fondest memories of I have of any of my college years…I plan to take a trip up to Yonkers soon and take a walk down memory lane through the gardens and the property…thanks so much for the pictures and the memories it brings back…

    1. colleen stanley Avatar
      colleen stanley

      Hello Pat…remembering 1970-72….Bosch and the townhouse…I think of u often…we all had such a wonderful time there. I laughed when I went through the pictures and remembered swimming up at the house….didn’t we call it Lenoir….done many things, been many places and would love to chat. I do not have a facebook account anymore….live in upstate NY….call me anytime. Hope your life is still wonderful and has treated u well over the years.

  17. Eileen Avatar
    Eileen

    I’m above friend and I say…ditto! Can’t wait to see where I spent 2 of the best years of my life! Gathering some alumni friends for a trip there real soon. Thanks Tara Society!

  18. alice s pych Avatar

    I am just THRILLED to find this web site!!!! I had the honor and privledge to attend 2 years of classes at Elizabeth Junior College from 1970-1972 and graduate with an Associate of Arts Degree in 1972 – these 2 years became the foundation of my education – I transfered to Marymount College in Tarrytown to finish my BA degree – your photos brought back FABULOUS memories of the beautiful grounds during the winter months which I enjoyed so much – it was the first time i lived away from home – and it was so endearing!!!! God bless you for your thoughtful and responsible photos which depict a great time for so many lives – respectfully yours alice s pych 72

  19. Nora Avatar
    Nora

    Strange. This place is practically in my back yard, yet I never knew about it. There’s something sad in it’s beauty though. I can’t wait to see how it looks when restoration is complete

  20. Marci Avatar
    Marci

    I had the privilege of living at Seton. I attended Elizabeth Seton School in 1960 when it was a boarding high school and felt in love with its beauty. We were around 75 girls mainly from overseas. The whole experience was so positive. Later on I returned there with my husband to visit the school. It was around mid 70’s and still had not lost the luster. We were told by one of the nuns that they had started selling their antiques. I remember clearly the halls, exquisite rooms, furnishings and works of art, the Greek garden and statues. Even the basement was unbelievable. The elevator, our rooms!!!! It brought tears to my eyes looking at the empty spaces and decayed state.