The Walnut Valley Festival is a music festival in Winfield, Kansas, at Winfield Fairgrounds. The 2026 event takes place Sep 16–20, 2026. It holds a 4.7-star rating from 338 Google reviews. A world-renowned bluegrass and acoustic music festival at the Winfield Fairgrounds, featuring four main stages, national flat-picking championships, campground jamming, juried arts and crafts, and workshops. Always held the third weekend in September.
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