County Fair Guide

Mellette County Fair

White River, South Dakota

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2026 Dates

August 1–4, 2026

Duration

2 days

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Size

small

About Mellette County Fair

The Mellette County Fair in White River celebrates a southwest South Dakota county bordering the Rosebud Reservation where cattle ranching and the Sicangu Lakota community define a remote high plains county.

What to Expect

Expect livestock shows, 4-H competitions, rodeo events, Native American cultural exhibits, local food vendors, and the community spirit of a remote southwest South Dakota ranching county.

Visitor Tips

White River is a small community near the Rosebud Sioux Reservation. The surrounding mixed-grass prairie supports extensive cattle ranching. The Rosebud Reservation borders the county and the community reflects the cultural blend of Lakota and ranching heritage.

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