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All Day
Off the Grid Thursdays in Pleasant Hill
Free
Every Thursday through October, head to Pleasant Hill for rotating food trucks, live music, and lawn dining. Bring a blanket or chair and come hungry!
Find out more »Pumpkins After Dark at the Alameda County Fairgrounds
Free – $65
Walk among thousands of hand-carved jack-o’-lanterns, imaginative displays and seasonal surprises on select nights October 2 – 31 in Pleasanton.
Find out more »Pumpkin Patch Festival at Western Railway Museum 2026
$18 – $27
Take a train ride to the pumpkin patch on Saturdays and Sundays, October 10–25, for pumpkins, pony rides, a hay fort and more.
Find out more »8:00 am
Downtown Vacaville Farmers Market
Free
Stock up on the freshest and most local goods money can buy at this weekly market each Saturday in Vacaville.
Find out more »12:00 pm
Bobbing for Pumpkins in Fairfield
Free – $10
Bring your swimsuit and pick a floating pumpkin to take home at Allan Witt Aquatics Complex on October 24.
Find out more »Boo Bash at the Danville Livery
Free
Find Halloween fun for the whole family at the Livery! Come in costume and enjoy trick-or-treating, pumpkin carvers, a petting zoo and much more on Saturday, October 24.
Find out more »
