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I found this a fascinating post. In my years at Yale I never knew of the existence of the tunnels that you spoke of. I can imagine that the tunnels and paths to the roof tops led to the chance to take some wonderful photographs. When I was back visiting a year ago there was no opportunity to find out anything about this hidden world so my photos had to be restricted to what could be seen from ordinary vantage points. I would certainly would be fun to go back to see and photograph this hidden world.

Mary Beth

When I was in school at Texas A&M we used to go down into the steam tunnels...same threat of expulsion! but we never found anything very good except a lot of hot water.

I also used to climb up on top of the PoliSci building next to my dorm at night, and smoke...um...something. It was awesome, like being on a ship sailing across campus. Maybe that has to do with what I was...doing.


As a current student at Yale, let me reassure you that there are still those who take great delight in the exploration of campus secrets. The shear number of amazing and special places is mind-blowing. Do not fear, forbidden knowledge is handed down, and secrets are rarely forgotten.


Gute Arbeit hier! Gute Inhalte.

Rich Gilliland

Can you tell me how you got the skeleton key? -fellow Yale student explorer

'93 Alum

In the early 90s I remember having great fun testing out the "master key". We spent a lot of time on various rooftops - especially the tower on top of Bingham.

We used to enter the tunnels through the grates in the moat between JE and Branford, and never once paid to get into the Saybrook courtyard party - we always came up from below...


I grew up in Cheshire CT. In my late teens I was working for a painting company that was working in the law building at Yale. During lunch one day a co worker and I went exploring and came across some very old door tucked away in a downward section of the building. After some efort to get it open we noticed it was one of those old doors tha had a counter wieght to close the door, very old indeed. What happened over the next 20 min or so was a exploration of a tunnel that winded down and down to a room with a table and old broken chairs. It was very dark and spooky. I would like to say we kept going but we didnt, we got spooked and left. I am convinced there are more tunnels under Yale that havnt been explred in years if not hundreds.


As a teenager from New Haven I always explored these tunnels with my friends. We would gain access to the dorms to play free pool or crash parties. Once we found ourselves in the basement of the library among very old stacks. I found a book that was lying next to a puddle of much and took it upon myself to rescue it. I still have no clue what the book contains since it's written in Hebrew or Arabic.


As an 80's Yalie, I would frequently postpone my paper to go steamtunneling with friends. Great network under Sterling Library, under Cross Campus. Found a Civil Defense shelter under Linsley-Chit complete with toilet barrels, 40 lb tins of candy ("carbohydrate supplement: candy, hard") and medical kits with instructions how to sedate people suffering anxiety and radiation exposure (!). Climbing onto Sterling Library's roof via the book elevators to explore the tin castle. Only caught once by campus police. Good times

LED Flashlight Torch

yeah, every so often, a door leads to a passageway that hasn’t been used, and you can find a sculpture garden you’ve never noticed before.


Even thought i never been there, i can imagine that the tunnels and paths to the roof tops led to the chance to take some wonderful photographs.

Serious Sam 3 steam key

Thanks for the information that the old buildings and the new ones are connected by a series of subterranean steam tunnels..We would gain access to the dorms to play free pool or crash parties...

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