Activity Overview
Visit this historical site, named for General Thomas Mifflin of the Revolutionary War, and see the fortress that was attacked by British forces yet has stood the test of time and today is the oldest fortification still in use in the U.S. The area consists of 40 acres and a number of buildings still displaying the signs of wartime.
Things to Do
- See the rifles and other weapons used in Revolutionary War times.
- Take advantage of the unique opportunity to stand on a Revolutionary War battlefield; inside a Civil War prison; and next to a magazine storing gunpowder during World War II.
- Visit the store on site that contains artifacts, books and Colonial-era candies.
- Look for ghosts! For Mifflin is regarded as one of the most haunted sites in the country.
- Lectures and tours are provided.
Fort Mifflin Insider Tips
- Open Wednesday to Sunday, March 1 - December 1; open by appointment the rest of the year.
- Fort Mifflin is one of the only intact Revolutionary War battlefields and the only fort in Philadelphia.
Fort Mifflin, originally called Fort Island Battery and also known as Mud Island Fort, was commissioned in 1771 and sits on Mud Island (or Deep Water Island) on the Delaware River near Philadelphia International Airport.
- Enjoy the riverfront picnic area.
