Spill lists 6 wineries in Yountville with a confirmed picnic area. Reservations are required at 6 of them. A typical tasting is $40.
Can I bring my own food to wineries in Yountville?
The wineries on this page have picnic areas, but outside-food rules differ. Some allow it anywhere on the grounds, some only at the picnic tables, and a few sell food and prefer you buy there. Check the winery's page or call ahead.