State/County Park | Historic House

Dey Mansion

The Dey Mansion, built around 1770, served as General George Washington’s headquarters in 1780 during a pivotal time in the American Revolution. As one of his surviving field headquarters, it offers a lasting connection to the strategic decisions, military challenges, and historic events that shaped the fight for independence.

  • Parking
  • Accessible Parking

Know Before You Go

The Dey Mansion offers tours, lectures, and special events that promote the lives of those living in Colonial America, the events of the Revolution, and need for historic preservation.

Operating Hours

Wed - Sun | 10:00 am - 5:00 pm

Admission & Tickets

Adults - $5

Children (7-17) - $3

Reignite the spirit of revolution. Liberty Trail. See all sites.

What's Nearby

Explore more of The Liberty Trail by visiting these nearby attractions.

Fort Lee, NJ 07024

Dey Mansion with overcast sky

Wayne, NJ 07470

Washington's Headquarters at Morristown photographed in the winter

Morristown, NJ 07960

The Wick House at Jockey Hollow in Morristown

Morristown, NJ 07960

View from a gun position at Fort Nonsense, Morristown NPS

Morristown, NJ 07960