It is a restricted area, and the player will be ordered to stay back from the premises by U.S. Army soldiers if they come too close, and firing any ammunition will instantaneously result in retaliation. The fort has three towers, a well as five larger buildings, including a stable and a prison.
Eagle Flies is captured by the U.S. Army, and held at the fort. Charles, in the hopes of rescuing him, scouts out the fort and finds that their is a way in through the back. He leads Arthur across the river, so they aren't detected by the army. They wait until night when the patrols leave, before killing the guards in the front of the fort and sneaking to the back. It is then that they use ropes to get into the fort, and silently slay the guards on the walls. They then take the prison, and grab Eagle Flies. Arthur breaks a hole in the wall, and they fight their way to canoes, which they use to get as far away from the fort as possible.
To the southwest by the road is a mail coach with a lockbox. Within is Ginseng Elixir and a Letter to Henrietta Douglas, Letter to Judge Finley, Letter to Miriam Wegner, Letter to the Saint Denis Times Tribune, and Letter to William Errington.