The first Kirkbride-plan public asylum in the US, founded 1848 by Dorothea Dix, and the site of Dr. Henry Cotton's deadly 'focal infection' surgeries.
2 Sullivan Way, Trenton, NJ 08628
Research updated June 2026
Age
All Ages
Cost
Free
Active state psychiatric hospital. The campus is not open for tourism or paranormal investigation; access requires permission from hospital administration.
Access
Limited Access
Secured working hospital campus; grounds patrolled and not open to visitors
Equipment
No Photos
Est. 1848 · First public mental hospital in New Jersey, opened 1848 through Dorothea Dix's advocacy · First hospital built on the Kirkbride plan, designed by John Notman · Site of Dr. Henry Cotton's discredited 'focal infection' surgeries (from 1907), which caused many patient deaths · Still an operating state psychiatric facility
The hospital opened on May 15, 1848 as the New Jersey State Lunatic Asylum, the first public mental hospital in New Jersey. It was established largely through the advocacy of Dorothea Lynde Dix, the reformer whose campaign for humane treatment of the mentally ill led to the founding of dozens of state asylums. The building was designed by Scottish-American architect John Notman and was the first hospital constructed on the principle of the Kirkbride plan, a layout of long, staggered wings intended to give every patient light and air.
In 1907 Dr. Henry Cotton became the hospital's medical director. Cotton held that mental illness was caused by chronic infection in the body, a 'focal infection' theory he pursued by surgically removing patients' teeth and, in many cases, tonsils, and abdominal organs. He reported high cure rates, but the operations were performed in an era before antibiotics and many patients died of post-surgical infection or were left permanently harmed. Cotton remained in charge until 1930 and died in 1933; some surgical practices at the hospital continued into the following decades. A 1925 state investigation and later medical reviews, including coverage in The Lancet, established the scale of the deaths and the lack of scientific basis for the procedures.
The institution was renamed over the years and is now Trenton Psychiatric Hospital, straddling Trenton and Ewing Township. It remains an operating state psychiatric facility and includes the Anne Klein Forensic Center. Because it is an active hospital, the grounds are secured and closed to the public.
Sources
The hospital's reputation as a haunted site is bound up with the Cotton era. The most often repeated account describes an apparition of Dr. Henry Cotton himself, seen wearing a white doctor's coat and walking the corridor near where his office stood. Other reports collected by paranormal writers describe the figures of former patients, disembodied voices, and the most commonly cited phenomenon: muffled screams and moans said to carry from distant rooms.
These accounts come with an important caveat. Trenton Psychiatric Hospital is a working state facility, with the secure Anne Klein Forensic Center on its campus, and the grounds are patrolled day and night. There is no sanctioned paranormal program here and no public access. The stories that circulate are drawn from secondhand collections and roundups of New Jersey's most-reported haunted places, in which Trenton is sometimes named the state's most haunted town, with the hospital its centerpiece. HauntBound presents this lore as uninvestigated folklore attached to a genuinely grim chapter of medical history, and lists the site as view-from-the-road only.
Notable Entities
The hospital's historic west entrance and Kirkbride-era buildings can be seen from public roads along the campus edge. The grounds themselves are a working, secured state hospital and are closed to visitors. There is no public tour and no paranormal investigation program here.
Every HauntBound history is researched from documented sources. We clearly separate verified historical fact from paranormal folklore.
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