About Buffalo County Fair

The Buffalo County Fair in Gann Valley celebrates South Dakota least populous county — a tiny Missouri River breaks county where cattle ranching and the Crow Creek Sioux Reservation define one of the most remote communities in the Great Plains.

What to Expect

Expect a very small fair with livestock exhibits, 4-H competitions, and the authentic frontier spirit of one of America most remote and sparsely populated counties.

Visitor Tips

Gann Valley is one of the smallest county seats in America. Buffalo County sits in the Missouri River breaks country of central South Dakota with dramatic eroded landscape and excellent hunting.

Places to Stay Nearby

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