Fort Ridgely

Picture of Fort Ridgely

Yielding to pressure from the U.S. government in 1851, the Eastern Dakota (Eastern Sioux) sold 35 million acres of their land across southern and western Minnesota. The Dakota moved onto a small reservation along the Minnesota River, stretching from just north of New Ulm to today's South Dakota border.

In 1853, the U.S. military started construction on Fort Ridgely, near the southern border of the new reservation and northwest of the German settlement of New Ulm. The fort was designed as a police station to keep peace as settlers poured into the former Dakota lands.
Nine years later, unkept promises by the U.S. government, nefarious practices by fur traders and crop failure all helped create tensions that erupted into the U.S.-Dakota war in August 1862. Dakota forces attacked the fort twice-on Aug. 20 and Aug. 22. The fort that had been a training base and staging ground for Civil War volunteers suddenly became one of the few military forts west of the Mississippi to withstand a direct assault. Fort Ridgely's 280 military and civilian defenders held out until Army reinforcements ended the siege.


Fort Ridgely State Park
Off Minn. Hwy. 4, seven miles south of Fairfax


Summer only
June 1 through Labor Day: 10 a.m. to 5 p.m. Friday and Saturday, noon to 5 p.m. Sunday. Open Labor Day 10 a.m. to 5 p.m. School season may vary.


507-426-7888 or 507-697-6321


Historic site visit is free. State park vehicle permits are required.

Mailing Address

Fort Ridgely Historic Site
72404 County Road 30
Fairfax, MN 55332


Fort Ridgely Web Site

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