Fort Winnebago (Portage, Wisconsin)

Portage · Wisconsin · Indian Wars

Quick BriefIn autumn 1828, Major David E. Twiggs of the First Regiment, United States Infantry established this fort to control the Fox-Wisconsin portage and protect American traders from the Winnebago Indians. Lieutenant Jefferson Davis, later Confederate president, served here, and the fort was garrisoned until 1845 before being destroyed by fire in 1856.
Open to visitors
Fort Winnebago, Wisconsin

History & Significance

Fort Winnebago was constructed in 1828 as part of an effort to maintain peace between white settlers and the region's Native American tribes following the Winnebago War of 1827. It was the middle one of three fortifications along the Fox-Wisconsin Waterway that also included Fort Howard in Green Bay, Wisconsin and Fort Crawford in Prairie du Chien, Wisconsin.

Located on a hill overlooking the eastern end of the portage between the Fox and Wisconsin Rivers east of present-day Portage, the fort occupied one of the continent's most strategically vital positions. From 1829 to 1831, the garrison included Lieutenant Jefferson Davis (later President of the Confederate States of America), who was put to work building a military road between Portage and Fond du Lac, Wisconsin, and assisting with the relocation of the Ho-Chunk Nation from Wisconsin to Minnesota during the 1840s.

With the exception of the participation of troops from the fort in the 1832 Black Hawk War, Fort Winnebago was not involved in any combat operations during its occupation by the U.S. Army. In 1845, the absence of any real threat to peace in the region prompted the abandonment of the fort.

Nine years later the site was sold into private hands, and in 1856 a fire destroyed much of the fort. Today, all that remain intact are the fort's surgeon's and officers' quarters. This structure now operates as the Fort Winnebago Surgeon's Quarters, a historic house museum operated by the Wisconsin Society Daughters of the American Revolution, and is listed on the National Register of Historic Places.

Key Facts

StateWisconsin
LocationPortage
Established1828
Decommissioned1845
War / eraIndian Wars
Current statusMuseum / Historic Site
Coordinates43.55472222, -89.43333333
NRHP reference70000029

Map

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🧳 Visiting

What you’ll see when you visit:

  • Surgeon's quarters building from 1828 Army fort
  • Historic Indian Agency House documenting Native American relations
  • Strategic portage location between Fox and Wisconsin Rivers
  • Indian Wars–era military settlement managing frontier trade routes
Best time to visitSpring (April–May) and fall (September–October) offer mild weather; summer can be warm and humid, while winters are cold and snowy.
Getting thereFly into MSN (Dane County Regional Truax Field) and drive about 47 km northeast to Portage.
From the nearest major airportDane County Regional Truax Field (MSN)🚗 36 mi by road⏱️ ≈ 47 min drive

Sources

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