Haunted houses, creepy corn mazes, and costumed brew crawls – it’s finally Halloween in the Tri-Valley! Check out what tricks and treats the Tri-Valley has in store this season below. Looking for more things to do this time of year? Browse our Fall Activities Guide.
Pumpkin Patches & Corn Mazes
Pick out your pumpkins, ride hay trains, and get lost in corn mazes. Here’s some of our favorite Tri-Valley pumpkin patches.
G&M Farms
Located in Livermore, right off I-580, G&M Farms features a huge corn maze, hay rides, a cow train, a giant jump pillow, food trucks, a corn pool, pony rides on the weekend, and a huge pumpkin selection. Open October 3 – October 30. More Info →
K-R Farms
KR Farms in Dublin, California is a family-owned fall destination offering free entry to their charming pumpkin patch, where visitors can stroll among pumpkins of all shapes and sizes. More Info →
Pick of the Patch Pumpkins
Visit the ABC Tree Farms Pumpkin Patch in Livermore – a lively outdoor pumpkin playland packed with inflatables, seasonal décor, and endless photo opportunities. Open September 27 — October 31. More Info →
Alden Lane Nursery
Looking for unique gourds of all shapes and sizes? Alden Lane Nursery features a wide variety of pumpkins and other fall decor, as well as farm fresh apples. More Info →
Dublin's Floating Pumpkin Patch
On October 25th, the the indoor pool at the Dublin Wave Waterpark will be transformed into a floating pumpkin patch for the night. Expect swimming, games, and pumpkin decorating. More Info →
Halloween Events
From spine-tingling haunted houses and after-dark ghost walks to family-friendly festivals and fairs, there are several Halloween events happening in the Tri-Valley this year.
Family Friendly Fun
Pumpkins After Dark 2026
Begins October 2nd through October 31st
Alameda County Fairgrounds
Get into the Halloween spirit at Pumpkins After Dark, coming to the Alameda County Fairgrounds in Pleasanton this fall! Explore a magical walking trail featuring more than 10,000 hand-carved pumpkins, glowing displays, themed photo opportunities, sweet treats, live carving demonstrations and roaming performers. Perfect for families, friends and a festive night out! More Info →
Boo Bash
Saturday, 10/24 @ 12pm - 3pm
Danville Livery
Get your costumes on and explore a giant inflatable corn maze, pan for gems at Miner’s Mountain, trick-or-treat with Livery merchants, and check out pumpkin carving demos. More Info →
Visit The Wave in Dublin for a special Halloween pumpkin picking experience located in their indoor pool. Fee includes swimming and pumpkin decoration. More Info →
Crafts at the Cinema returns Sunday, October 25 at 9 AM! Enjoy a fun morning of creative activities, crafts, and family-friendly entertainment at the cinema. Bring your family and friends for a fun-filled morning together! More Info →
Adults Only Events
Witches Night Out
Wednesday, 10/07
Downtown Livermore
Grab your witch’s hat and head to Downtown Livermore for a bewitching night of moonlit shopping and dining. Downtown Livermore shops, bars and restaurants are brewing up something special for this year’s participants, including discounts, deals, and special halloween treats. More Info →
Wood Family Vineyards, 3 Steves Winery & Murrieta's Well
Dress up in costume and do some adult trick-or-treating at three Livermore Valley wineries. Each stop includes a full tasting flight, discounts on wine purchases, and a tasty treat! More Info →
Head to Downtown Pleasanton for a night of chilling fun as we explore a variety of bewitching brews from local breweries. Put on your best costume and enjoy an evening filled with delicious drinks, live music, and eerie vibes. More Info →
Pirates of Emerson Haunted Theme Park is returning to the Alameda Fairgrounds for their 34th frightening Halloween season in the Tri-Valley. Featuring multiple haunted houses & live entertainment. More Info →
Meet the ghosts of Pleasanton’s past in this uniquely spooky annual event held by Museum on Main. This popular 2-hour Halloween tour sells out each year, get your tickets soon! More Info →
Brace yourself for an evening of spooky fun! Take a flashlight tour through the Dublin Historic Cemetery, where Dublin’s buried past comes alive. More Info →
ThriftFest is coming to the Alameda County Fairgrounds in Pleasanton! Shop a huge selection of vintage finds, secondhand clothing, collectibles, home goods, and unique treasures from local vendors. Bring your friends and spend the day browsing, shopping, and finding your next favorite piece. More Info →
Join in on some old-fashioned fall fun at the City of Dublin’s annual Harvest Fair! This event is fun for the whole family and includes: Petting Zoo, Hay Bale Maze, Wagon Rides, Face Painting, Pumpkin Golf, Apple Crate Toss, Pumpkin Ring Toss, Gold Panning, Washboard Laundry, Butter Churning, and more! More Info →
Harvest Festival
Friday - Sunday, 10/23-10/25
Alameda County Fairgrounds
Get a head start on holiday shopping at the Alameda County Fairgrounds, featuring handmade and original arts & crafts. More Info →
Click here to download the 2026 Tri-Valley Inspiration Guide.
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