Haunted Corn Maze Near Me in Lathrop: Dell'Osso Farm

Dell'Osso Family Farm welcomes autumn travelers to 501 Manthey Road in Lathrop, providing one of the most comprehensive harvest festival destinations in Northern California. The Dell'Osso family has farmed this rich San Joaquin County soil for over a century, cultivating agricultural traditions that welcome generations of seasonal visitors. Since establishing its inaugural corn maze in 1997, the property has celebrated decades of continuous harvest tradition. Today, the venue pairs a multi-acre corn maze with its iconic walk-through Haunted Castle, drawing crowds from across the Bay Area and Central Valley.

At the heart of the farm lies the giant cornfield maze, carved annually into intricate geometric patterns and local anniversary tributes. Towering corn stalks rise ten to twelve feet high, creating dense green corridors that challenge navigators with deceptive switchbacks, dead ends, and winding circuits. The maze is divided into separate phases, allowing guests to choose between an accessible family loop or a longer, more demanding endurance challenge. Traversing the full maze circuit typically requires forty-five minutes to an hour of steady walking along smooth dirt trails.

Navigating the extensive cornfield relies on clear pathway intersections, color-coded trail markers, and printed field maps. Moving along the wide, well-tended dirt lanes, visitors can track their progress through numbered checkpoints positioned at major junction points throughout the stalks. The tall corn provides a completely immersive outdoor puzzle, buffering highway noise and surrounding guests in rustling green leaves. Navigators work together to decipher directional hints, spot distinctive landmark windmills on the farm perimeter, and locate the final clearing leading out to the festival plaza.

When dusk falls over Lathrop, the farm's spooky centerpiece—the walk-through Haunted Castle—draws long lines of enthusiastic thrill-seekers. Towering over the main festival courtyard with stone-carved battlements, glowing jack-o'-lanterns, and gargoyle sculptures, this multi-room haunted house features theatrical lighting, eerie soundscapes, and themed visual illusions. Navigating the twisting indoor chambers delivers startling visual surprises and classic haunted atmosphere, perfectly balancing suspense with family-friendly Halloween excitement.

Beyond the maze and castle, Dell'Osso Farm offers a wealth of diverse seasonal entertainment. Guests can climb aboard the Dell'Osso Express locomotive for an open-air scenic ride through the fields, slide down the massive Thrill Hill tube slides, or cheer on racing swine at the energetic pig races. Other popular activities include a miniature golf course, pedal tractor tracks, jumping pillows, and an animal petting zoo filled with friendly farm livestock.

The property features an extensive you-pick pumpkin patch and market plaza displaying thousands of freshly harvested gourds. Visitors can browse rows of orange carving pumpkins, white Casper varieties, Cinderella pumpkins, and miniature decorative squash grown on local delta acreage. Staff members assist with loading selections, and photo installations throughout the patch offer ideal backdrops for memorable autumn family portraits.

The food concessions at Dell'Osso Farm are renowned for their variety and quality. Concession buildings around the central plaza serve farm-made cider donuts, warm caramel apples, and freshly fried funnel cakes dusted with powdered sugar. Hearty meal options include smoky pulled pork sandwiches, grilled hamburgers, roasted hot dogs, and specialty baked potatoes. Shaded picnic pavilions with wooden picnic tables provide ample seating to relax and recharge between attractions.

Operating hours during the 2026 season run daily from October 2 through October 31. Gates open Monday through Friday at 12:00 PM and Saturday through Sunday at 10:00 AM, with last gate entry at 7:00 PM daily. General park attractions close at 8:00 PM from Sunday through Thursday, and close at 8:30 PM on Friday and Saturday evenings. On Halloween day, October 31, the farm operates from 10:00 AM to 5:00 PM with final gate entry at 3:30 PM. Under updated 2026 farm regulations, all entering guests must complete an electronic admission waiver prior to arriving at the gates. Inquiries regarding special events or group visits can be directed to the farm office by email at info@pumpkinmaze.com.

General admission pricing includes access to over twenty attractions, covering the corn maze, Haunted Castle, hayrides, train, and on-site vehicle parking. Ticket rates are structured by day of the week: Monday through Thursday tickets cost $24.95 per person, Friday tickets are $29.95 per person, and Saturday and Sunday tickets cost $34.95 per person. Children under the age of 2 enter free of charge. Ticket booths accept cash and major credit cards, while Apple Pay is not accepted.

Planning advice is essential to maximize your visit during popular weekend dates. Saturday and Sunday afternoons experience peak attendance, with the longest lines forming at the Haunted Castle between 5:30 PM and 7:30 PM. Arriving around 1:00 PM allows guests to complete the corn maze, ride the train, and enjoy food before joining the castle line as dusk approaches. Wearing comfortable walking sneakers and layering for cool delta evening temperatures ensures an enjoyable visit.

Reaching 501 Manthey Road is simple and convenient from across the Northern California highway network. From San Francisco and the East Bay, drivers take Interstate 580 East through the Altamont Pass, continue onto Interstate 205 East past Tracy, and merge onto Interstate 5 North toward Lathrop. Follow highway signs for Manthey Road and Roth Road, proceed along Manthey Road, and turn into the farm's clearly marked paved parking entrance.

If traffic along the Interstate 205 corridor is heavy on weekend afternoons, travelers can stop for refreshments in nearby Tracy or Manteca along 11th Street or Yosemite Avenue. Local diners, taquerias, and ice cream parlors offer relaxed pit stops before finishing the drive into Lathrop. Visiting early on a weekday afternoon is another excellent strategy to enjoy the maze and castle without weekend crowds.

Dell'Osso Family Farm represents a premier harvest celebration in Northern California, blending a century of Italian-American agricultural heritage with thirty seasons of corn maze innovation. The combination of its expansive multi-acre corn maze, the theatrical thrills of the Haunted Castle, and genuine farm hospitality makes this Lathrop landmark an essential autumn destination for visitors across the greater Bay Area.