Next Sonoma Plein Air Festival:
September 14-19, 2026
A favorite of artists and visitors alike, the annual Sonoma Plein Air Festival is held every September, showcasing nationally-acclaimed artists painting the outdoor sights of our region (painting "en plein air").
Their works are then displayed and available for purchase at our events during festival week.
Proceeds directly fund K-12 art education throughout Sonoma Valley. Scroll down to learn about the Sonoma Plein Air Foundation, our art education grants and our scholarships.
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