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Fort Harmar
Part of the Northwest Territory of the United States
Marietta, Ohio
Fort Harmar near Marietta by Joseph Gilman
FortHarmar plaque.jpg
Fort Harmar plaque at Marietta
Site history
Built 1785
Built by John Doughty
Battles/wars Northwest Indian War
Events Treaty of Fort Harmar
Garrison information
Josiah Harmar, John Doughty, David Ziegler
Occupants United States troops
Fort Harmar
Location of Fort Harmar in Ohio
Location of Fort Harmar in Ohio
Location of Fort Harmar in Ohio
Location Marietta, Ohio
Coordinates 39°24′35.38″N 81°27′27.72″W / 39.4098278°N 81.4577000°W / 39.4098278; -81.4577000Coordinates: 39°24′35.38″N 81°27′27.72″W / 39.4098278°N 81.4577000°W / 39.4098278; -81.4577000
Part of Harmar Historic District (#74001645)
Designated CP 1974

Fort Harmar was an early United States frontier military fort, built in pentagonal shape during 1785 at the confluence of the Ohio and Muskingum rivers, on the west side of the mouth of the Muskingum River. It was built under the orders of Colonel Josiah Harmar and took his name.[1] The fort was intended for the protection of Indians, i.e., to prevent pioneer squatters from settling in the land to the northwest of the Ohio River. “The position was judiciously chosen, as it commanded not only the mouth of the Muskingum, but swept the waters of the Ohio, from a curve in the river for a considerable distance both above and below the fort.”[2]

It is notable as the site for the 1789 Treaty of Fort Harmar between the United States and several Native American tribes.

The presence of Fort Harmar was influential in the founding of Marietta, Ohio in 1788 to the east across the Muskingum. During the one-year anniversary celebration of the founding of Marietta, the physician Solomon Drowne said:

But to whom is this settlement more indebted than to the generous chieftain [Josiah Harmar] and other worthy officers of yonder fortress, distinguished by the name of Harmer [Fort Harmar]. With what cheerfulness and cordiality have ye ever entered into every measure promotive of the company's interest. Important is the station ye fill in every respect, and not least in this, that you seem reserved to exhibit to mankind a specimen of that military splendor, which ornamented the arms of America, and would do honor to the troops of any potentate on earth.[3]

The fort was abandoned and later demolished, as the area has been redeveloped for other uses, and Marietta expanded to the west side of the river. This area of Marietta is still referred to as Harmar, and the neighborhood has been listed on the National Register of Historic Places as the Harmar Historic District.

Nearby forts[edit]

The Campus Martius fortification of the Marietta settlement was built on the east side of the Muskingum and upriver from Fort Harmar during 1788, and fully completed in 1791 at the start of the Northwest Indian War. It was the first settlement of Marietta.

The Picketed Point fortification of Marietta was built in 1791 directly across the Muskingum from Fort Harmar, on the east side of the river's mouth.

See also[edit]


  • Hildreth, S. P.: Pioneer History: Being an Account of the First Examinations of the Ohio Valley, and the Early Settlement of the Northwest Territory, H. W. Derby and Co., Cincinnati, Ohio (1848).
  • Zimmer, Louise: More True Stories from Pioneer Valley, published by Sugden Book Store, Marietta, Ohio (1993), chapter 5 entitled David Ziegler.
  • Zimmer, Louise: True Stories of Pioneer Times, published by Broughton Foods company, Marietta, Ohio (1987), chapter 2 entitled Fort Harmar.
Fort Harmar[4]


  1. ^ History of Shelby County, Ohio: With Illustrations and Biographical Sketches of Some of Its Prominent Men and Pioneers. Sutton. 1883. p. 88. 
  2. ^ Hildreth, Pioneer History, 317.
  3. ^ Hildreth, Pioneer History, 521.
  4. ^ Lossing, Benson (1868). The Pictorial Field-Book of the War of 1812. Harper & Brothers, Publishers. p. 39. 

Original courtesy of Wikipedia: http://en.wikipedia.org/wiki/Fort_Harmar — Please support Wikipedia.
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80 news items

Marietta Times

Marietta Times
Wed, 07 Apr 2010 05:54:18 -0700

You could say historian Bill Reynolds fell in love with Fort Harmar, the region's first frontier military fort, on his first trip to Marietta's Campus Martius Museum when he was 10 or 12 years old. "My parents brought me here... and I thought, 'Wow ...

Marietta Times

Marietta Times
Sun, 20 Mar 2016 21:52:30 -0700

He was a past member of the Fort Harmar Rifle Club, NRA, The Ohio Gun Collectors and The Washington County Fish and Game Association. Frank enjoyed spending time with his sons working on various projects and especially hunting at the family farms in ...

The News Center

The News Center
Wed, 10 Feb 2016 15:07:19 -0800

It's what we do," said Scott Steinel, a rifle instructor for the 4H Fort Harmar Rifle Club. For some, it's tradition, for others it's just plain fun. In the states of Ohio and West Virginia there are many families who raise their children to shoot guns ...

Maine Antique Digest

Maine Antique Digest
Tue, 05 Jan 2016 04:22:30 -0800

From a seat at the show's entrance, he pointed to the nearby booth of David Haney and Brian Haney of Fort Harmar Antiques, Marietta, Ohio. “Did you see their dog tables?” he asked. The matching pair of center tables were Victorian—not exactly “country ...

Marietta Times

Marietta Times
Fri, 22 Jan 2016 21:58:02 -0800

Snow began to fall Friday around the lunch hour but mail still made it to residents' homes thanks to the carriers of the U.S. Postal Service. "This is actually my favorite weather to deliver in," said Marietta mail carrier Matt Waybright, 49. "It's so ...

Aurora Advocate

Aurora Advocate
Tue, 17 Nov 2015 22:10:26 -0800

One house that is open, however, is the Henry Fearing House in Harmar Village, where Fort Harmar was situated in the late 1700s. Built in 1847, it is an example of federal-style architecture, with Italianate influence on the exterior of the 1870 addition.

The News Center

The News Center
Tue, 26 May 2015 15:41:15 -0700

The Washington County Sheriff's Office is holding their training from Tuesday till Friday at the Fort Harmar Rifle Range in Marietta. The members of law enforcement must hit targets from a variety of distances using multiple guns. All must pass the ...

The Independent

The Independent
Mon, 30 Mar 2015 13:38:18 -0700

In the spring of 1788, a flotilla of more than 300 flatboats, carrying 6,000 settlers, 3,000 head of livestock and 150 wagons floated past Fort Harmar, which was to become Marietta. Two years later the valley had an estimated white population of 125 ...

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