This event is in the past.It took place on October 11, 2025 at Bale Grist Mill State Historic Park.


Step back to 1846 when wheat, not wine, ruled Napa Valley. This living history festival puts you to work: thresh grain, churn butter, press cider, and watch California's only operational water-powered grist mill grind away just as it did nearly two centuries ago.
Living history event
Hands-on pioneer activities
Family-friendly harvest celebration
Operational 1846 water mill
Tips
⚙️"only operational water mill in California"
🌾help thresh wheat like it's 1846
🥾hiking trail from Bothe-Napa has steep sections
Old Mill Days


Step back to 1846 when wheat, not wine, ruled Napa Valley. This living history festival puts you to work: thresh grain, churn butter, press cider, and watch California's only operational water-powered grist mill grind away just as it did nearly two centuries ago.
Living history event
Hands-on pioneer activities
Family-friendly harvest celebration
Operational 1846 water mill
Tips
⚙️"only operational water mill in California"
🌾help thresh wheat like it's 1846
🥾hiking trail from Bothe-Napa has steep sections
Make it an outing
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