• Fort Mifflin relies heavily on its garrison of loyal supporters to keep our gates open and to fund future restoration work like the recently completed roof work.
  • 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)...
  • We learned that Fort Mifflin was one of the only intact Revolutionary War battlefields and the only fort in Philadelphia.
  • Fort Mifflin Fort Mifflin Road Philadelphia, PA 19153 Phone: 215-685-4167 - Main Office & Information Fax: 215-685-4166. The British started to build this historic...
  • Howe was held at Fort Mifflin from January 1864 until April 1864 when he was transferred to Eastern State Penitentiary, after being placed in solitary confinement in...
  • In 1970, Fort Mifflin was listed in the National Register of Historic Places and designated a National Historic Landmark.
  • Fort Mifflin, which is open to visitors from March through December, offers tours that focus on a Revolutionary War battle and the site’s strategic location in the...
  • Did you know that during the 6 day siege at Fort Mifflin the 400 American’s inside the fort had only 10 cannon to defend against the British with 2000 troops...
  • Fort Mifflin’s west sallyport is a gateway near the water where the British ships tried to blast their way into the fort during the siege.
  • Built by the British in 1771 to protect the wealthy colonial city of Philadelphia, Fort Mifflin was in American hands when the seeds of revolution took root.